21005930556

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{367}}^1$

素因数の和:630

約数の個数: 240

約数和(自身を含む): 60324397056

約数和(自身を除く): 39318466500

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, 367, 381, 428, 468, 508, 642, 702, 734, 762, 963, 1053, 1101, 1143, 1284, 1391, 1404, 1468, 1524, 1651, 1926, 2106, 2202, 2286, 2782, 2889, 3302, 3303, 3429, 3852, 4173, 4212, 4404, 4572, 4771, 4953, 5564, 5778, 6604, 6606, 6858, 8346, 8667, 9542, 9906, 9909, 10287, 11556, 12519, 13212, 13589, 13716, 14313, 14859, 16692, 17334, 19084, 19812, 19818, 20574, 25038, 27178, 28626, 29718, 29727, 34668, 37557, 39269, 39636, 40767, 41148, 42939, 44577, 46609, 50076, 54356, 57252, 59436, 59454, 75114, 78538, 81534, 85878, 89154, 93218, 112671, 117807, 118908, 122301, 128817, 133731, 139827, 150228, 157076, 163068, 171756, 176657, 178308, 186436, 225342, 235614, 244602, 257634, 267462, 279654, 353314, 353421, 366903, 386451, 419481, 450684, 471228, 489204, 510497, 515268, 529971, 534924, 559308, 605917, 706628, 706842, 733806, 772902, 838962, 1020994, 1059942, 1060263, 1100709, 1211834, 1258443, 1413684, 1467612, 1531491, 1545804, 1589913, 1677924, 1817751, 2041988, 2119884, 2120526, 2201418, 2423668, 2516886, 3062982, 3179826, 3180789, 3635502, 3775329, 4241052, 4402836, 4594473, 4769739, 4987163, 5033772, 5453253, 6125964, 6359652, 6361578, 7271004, 7550658, 9188946, 9539478, 9974326, 10906506, 12723156, 13783419, 14309217, 14961489, 15101316, 16359759, 18377892, 19078956, 19948652, 21813012, 27566838, 28618434, 29922978, 32719518, 41350257, 44884467, 49079277, 55133676, 57236868, 59845956, 64833119, 65439036, 82700514, 89768934, 98158554, 129666238, 134653401, 165401028, 179537868, 194499357, 196317108, 259332476, 269306802, 388998714, 403960203, 538613604, 583498071, 777997428, 807920406, 1166996142, 1615840812, 1750494213, 2333992284, 3500988426, 5251482639, 7001976852, 10502965278, 21005930556]

約数ペア:

[(1, 21005930556), (2, 10502965278), (3, 7001976852), (4, 5251482639), (6, 3500988426), (9, 2333992284), (12, 1750494213), (13, 1615840812), (18, 1166996142), (26, 807920406), (27, 777997428), (36, 583498071), (39, 538613604), (52, 403960203), (54, 388998714), (78, 269306802), (81, 259332476), (107, 196317108), (108, 194499357), (117, 179537868), (127, 165401028), (156, 134653401), (162, 129666238), (214, 98158554), (234, 89768934), (254, 82700514), (321, 65439036), (324, 64833119), (351, 59845956), (367, 57236868), (381, 55133676), (428, 49079277), (468, 44884467), (508, 41350257), (642, 32719518), (702, 29922978), (734, 28618434), (762, 27566838), (963, 21813012), (1053, 19948652), (1101, 19078956), (1143, 18377892), (1284, 16359759), (1391, 15101316), (1404, 14961489), (1468, 14309217), (1524, 13783419), (1651, 12723156), (1926, 10906506), (2106, 9974326), (2202, 9539478), (2286, 9188946), (2782, 7550658), (2889, 7271004), (3302, 6361578), (3303, 6359652), (3429, 6125964), (3852, 5453253), (4173, 5033772), (4212, 4987163), (4404, 4769739), (4572, 4594473), (4771, 4402836), (4953, 4241052), (5564, 3775329), (5778, 3635502), (6604, 3180789), (6606, 3179826), (6858, 3062982), (8346, 2516886), (8667, 2423668), (9542, 2201418), (9906, 2120526), (9909, 2119884), (10287, 2041988), (11556, 1817751), (12519, 1677924), (13212, 1589913), (13589, 1545804), (13716, 1531491), (14313, 1467612), (14859, 1413684), (16692, 1258443), (17334, 1211834), (19084, 1100709), (19812, 1060263), (19818, 1059942), (20574, 1020994), (25038, 838962), (27178, 772902), (28626, 733806), (29718, 706842), (29727, 706628), (34668, 605917), (37557, 559308), (39269, 534924), (39636, 529971), (40767, 515268), (41148, 510497), (42939, 489204), (44577, 471228), (46609, 450684), (50076, 419481), (54356, 386451), (57252, 366903), (59436, 353421), (59454, 353314), (75114, 279654), (78538, 267462), (81534, 257634), (85878, 244602), (89154, 235614), (93218, 225342), (112671, 186436), (117807, 178308), (118908, 176657), (122301, 171756), (128817, 163068), (133731, 157076), (139827, 150228)]