21787264980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{4903}}^1$

素因数の和:5148

約数の個数: 240

約数和(自身を含む): 73968875904

約数和(自身を除く): 52181610924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 211, 234, 260, 270, 324, 351, 390, 405, 422, 468, 540, 585, 633, 702, 780, 810, 844, 1053, 1055, 1170, 1266, 1404, 1620, 1755, 1899, 2106, 2110, 2340, 2532, 2743, 3165, 3510, 3798, 4212, 4220, 4903, 5265, 5486, 5697, 6330, 7020, 7596, 8229, 9495, 9806, 10530, 10972, 11394, 12660, 13715, 14709, 16458, 17091, 18990, 19612, 21060, 22788, 24515, 24687, 27430, 28485, 29418, 32916, 34182, 37980, 41145, 44127, 49030, 49374, 54860, 56970, 58836, 63739, 68364, 73545, 74061, 82290, 85455, 88254, 98060, 98748, 113940, 123435, 127478, 132381, 147090, 148122, 164580, 170910, 176508, 191217, 220635, 222183, 246870, 254956, 264762, 294180, 296244, 318695, 341820, 370305, 382434, 397143, 441270, 444366, 493740, 529524, 573651, 637390, 661905, 740610, 764868, 794286, 882540, 888732, 956085, 1034533, 1110915, 1147302, 1274780, 1323810, 1481220, 1588572, 1720953, 1912170, 1985715, 2069066, 2221830, 2294604, 2647620, 2868255, 3103599, 3441906, 3824340, 3971430, 4138132, 4443660, 5162859, 5172665, 5736510, 6207198, 6883812, 7942860, 8604765, 9310797, 10325718, 10345330, 11473020, 12414396, 13448929, 15517995, 17209530, 18621594, 20651436, 20690660, 25814295, 26897858, 27932391, 31035990, 34419060, 37243188, 40346787, 46553985, 51628590, 53795716, 55864782, 62071980, 67244645, 80693574, 83797173, 93107970, 103257180, 111729564, 121040361, 134489290, 139661955, 161387148, 167594346, 186215940, 201733935, 242080722, 268978580, 279323910, 335188692, 363121083, 403467870, 418985865, 484161444, 558647820, 605201805, 726242166, 806935740, 837971730, 1089363249, 1210403610, 1452484332, 1675943460, 1815605415, 2178726498, 2420807220, 3631210830, 4357452996, 5446816245, 7262421660, 10893632490, 21787264980]

約数ペア:

[(1, 21787264980), (2, 10893632490), (3, 7262421660), (4, 5446816245), (5, 4357452996), (6, 3631210830), (9, 2420807220), (10, 2178726498), (12, 1815605415), (13, 1675943460), (15, 1452484332), (18, 1210403610), (20, 1089363249), (26, 837971730), (27, 806935740), (30, 726242166), (36, 605201805), (39, 558647820), (45, 484161444), (52, 418985865), (54, 403467870), (60, 363121083), (65, 335188692), (78, 279323910), (81, 268978580), (90, 242080722), (108, 201733935), (117, 186215940), (130, 167594346), (135, 161387148), (156, 139661955), (162, 134489290), (180, 121040361), (195, 111729564), (211, 103257180), (234, 93107970), (260, 83797173), (270, 80693574), (324, 67244645), (351, 62071980), (390, 55864782), (405, 53795716), (422, 51628590), (468, 46553985), (540, 40346787), (585, 37243188), (633, 34419060), (702, 31035990), (780, 27932391), (810, 26897858), (844, 25814295), (1053, 20690660), (1055, 20651436), (1170, 18621594), (1266, 17209530), (1404, 15517995), (1620, 13448929), (1755, 12414396), (1899, 11473020), (2106, 10345330), (2110, 10325718), (2340, 9310797), (2532, 8604765), (2743, 7942860), (3165, 6883812), (3510, 6207198), (3798, 5736510), (4212, 5172665), (4220, 5162859), (4903, 4443660), (5265, 4138132), (5486, 3971430), (5697, 3824340), (6330, 3441906), (7020, 3103599), (7596, 2868255), (8229, 2647620), (9495, 2294604), (9806, 2221830), (10530, 2069066), (10972, 1985715), (11394, 1912170), (12660, 1720953), (13715, 1588572), (14709, 1481220), (16458, 1323810), (17091, 1274780), (18990, 1147302), (19612, 1110915), (21060, 1034533), (22788, 956085), (24515, 888732), (24687, 882540), (27430, 794286), (28485, 764868), (29418, 740610), (32916, 661905), (34182, 637390), (37980, 573651), (41145, 529524), (44127, 493740), (49030, 444366), (49374, 441270), (54860, 397143), (56970, 382434), (58836, 370305), (63739, 341820), (68364, 318695), (73545, 296244), (74061, 294180), (82290, 264762), (85455, 254956), (88254, 246870), (98060, 222183), (98748, 220635), (113940, 191217), (123435, 176508), (127478, 170910), (132381, 164580), (147090, 148122)]