21921720444

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:646

約数の個数: 240

約数和(自身を含む): 62947196928

約数和(自身を除く): 41025476484

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 107, 108, 117, 127, 156, 162, 214, 234, 254, 321, 324, 351, 381, 383, 428, 468, 508, 642, 702, 762, 766, 963, 1053, 1143, 1149, 1284, 1391, 1404, 1524, 1532, 1651, 1926, 2106, 2286, 2298, 2782, 2889, 3302, 3429, 3447, 3852, 4173, 4212, 4572, 4596, 4953, 4979, 5564, 5778, 6604, 6858, 6894, 8346, 8667, 9906, 9958, 10287, 10341, 11556, 12519, 13589, 13716, 13788, 14859, 14937, 16692, 17334, 19812, 19916, 20574, 20682, 25038, 27178, 29718, 29874, 31023, 34668, 37557, 40767, 40981, 41148, 41364, 44577, 44811, 48641, 50076, 54356, 59436, 59748, 62046, 75114, 81534, 81962, 89154, 89622, 97282, 112671, 122301, 122943, 124092, 133731, 134433, 145923, 150228, 163068, 163924, 176657, 178308, 179244, 194564, 225342, 244602, 245886, 267462, 268866, 291846, 353314, 366903, 368829, 403299, 437769, 450684, 489204, 491772, 529971, 532753, 534924, 537732, 583692, 632333, 706628, 733806, 737658, 806598, 875538, 1059942, 1065506, 1100709, 1106487, 1264666, 1313307, 1467612, 1475316, 1589913, 1598259, 1613196, 1751076, 1896999, 2119884, 2131012, 2201418, 2212974, 2529332, 2626614, 3179826, 3196518, 3319461, 3793998, 3939921, 4402836, 4425948, 4769739, 4794777, 5204587, 5253228, 5690997, 6359652, 6393036, 6638922, 7587996, 7879842, 9539478, 9589554, 10409174, 11381994, 13277844, 14309217, 14384331, 15613761, 15759684, 17072991, 19078956, 19179108, 20818348, 22763988, 28618434, 28768662, 31227522, 34145982, 43152993, 46841283, 51218973, 57236868, 57537324, 62455044, 67659631, 68291964, 86305986, 93682566, 102437946, 135319262, 140523849, 172611972, 187365132, 202978893, 204875892, 270638524, 281047698, 405957786, 421571547, 562095396, 608936679, 811915572, 843143094, 1217873358, 1686286188, 1826810037, 2435746716, 3653620074, 5480430111, 7307240148, 10960860222, 21921720444]

約数ペア:

[(1, 21921720444), (2, 10960860222), (3, 7307240148), (4, 5480430111), (6, 3653620074), (9, 2435746716), (12, 1826810037), (13, 1686286188), (18, 1217873358), (26, 843143094), (27, 811915572), (36, 608936679), (39, 562095396), (52, 421571547), (54, 405957786), (78, 281047698), (81, 270638524), (107, 204875892), (108, 202978893), (117, 187365132), (127, 172611972), (156, 140523849), (162, 135319262), (214, 102437946), (234, 93682566), (254, 86305986), (321, 68291964), (324, 67659631), (351, 62455044), (381, 57537324), (383, 57236868), (428, 51218973), (468, 46841283), (508, 43152993), (642, 34145982), (702, 31227522), (762, 28768662), (766, 28618434), (963, 22763988), (1053, 20818348), (1143, 19179108), (1149, 19078956), (1284, 17072991), (1391, 15759684), (1404, 15613761), (1524, 14384331), (1532, 14309217), (1651, 13277844), (1926, 11381994), (2106, 10409174), (2286, 9589554), (2298, 9539478), (2782, 7879842), (2889, 7587996), (3302, 6638922), (3429, 6393036), (3447, 6359652), (3852, 5690997), (4173, 5253228), (4212, 5204587), (4572, 4794777), (4596, 4769739), (4953, 4425948), (4979, 4402836), (5564, 3939921), (5778, 3793998), (6604, 3319461), (6858, 3196518), (6894, 3179826), (8346, 2626614), (8667, 2529332), (9906, 2212974), (9958, 2201418), (10287, 2131012), (10341, 2119884), (11556, 1896999), (12519, 1751076), (13589, 1613196), (13716, 1598259), (13788, 1589913), (14859, 1475316), (14937, 1467612), (16692, 1313307), (17334, 1264666), (19812, 1106487), (19916, 1100709), (20574, 1065506), (20682, 1059942), (25038, 875538), (27178, 806598), (29718, 737658), (29874, 733806), (31023, 706628), (34668, 632333), (37557, 583692), (40767, 537732), (40981, 534924), (41148, 532753), (41364, 529971), (44577, 491772), (44811, 489204), (48641, 450684), (50076, 437769), (54356, 403299), (59436, 368829), (59748, 366903), (62046, 353314), (75114, 291846), (81534, 268866), (81962, 267462), (89154, 245886), (89622, 244602), (97282, 225342), (112671, 194564), (122301, 179244), (122943, 178308), (124092, 176657), (133731, 163924), (134433, 163068), (145923, 150228)]