21147964152

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{60607}}^1$

素因数の和:60721

約数の個数: 128

約数和(自身を含む): 63303843840

約数和(自身を除く): 42155879688

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 67, 84, 93, 124, 134, 168, 186, 201, 217, 248, 268, 372, 402, 434, 469, 536, 651, 744, 804, 868, 938, 1302, 1407, 1608, 1736, 1876, 2077, 2604, 2814, 3752, 4154, 5208, 5628, 6231, 8308, 11256, 12462, 14539, 16616, 24924, 29078, 43617, 49848, 58156, 60607, 87234, 116312, 121214, 174468, 181821, 242428, 348936, 363642, 424249, 484856, 727284, 848498, 1272747, 1454568, 1696996, 1878817, 2545494, 3393992, 3757634, 4060669, 5090988, 5636451, 7515268, 8121338, 10181976, 11272902, 12182007, 13151719, 15030536, 16242676, 22545804, 24364014, 26303438, 28424683, 32485352, 39455157, 45091608, 48728028, 52606876, 56849366, 78910314, 85274049, 97456056, 105213752, 113698732, 125880739, 157820628, 170548098, 227397464, 251761478, 315641256, 341096196, 377642217, 503522956, 682192392, 755284434, 881165173, 1007045912, 1510568868, 1762330346, 2643495519, 3021137736, 3524660692, 5286991038, 7049321384, 10573982076, 21147964152]

約数ペア:

[(1, 21147964152), (2, 10573982076), (3, 7049321384), (4, 5286991038), (6, 3524660692), (7, 3021137736), (8, 2643495519), (12, 1762330346), (14, 1510568868), (21, 1007045912), (24, 881165173), (28, 755284434), (31, 682192392), (42, 503522956), (56, 377642217), (62, 341096196), (67, 315641256), (84, 251761478), (93, 227397464), (124, 170548098), (134, 157820628), (168, 125880739), (186, 113698732), (201, 105213752), (217, 97456056), (248, 85274049), (268, 78910314), (372, 56849366), (402, 52606876), (434, 48728028), (469, 45091608), (536, 39455157), (651, 32485352), (744, 28424683), (804, 26303438), (868, 24364014), (938, 22545804), (1302, 16242676), (1407, 15030536), (1608, 13151719), (1736, 12182007), (1876, 11272902), (2077, 10181976), (2604, 8121338), (2814, 7515268), (3752, 5636451), (4154, 5090988), (5208, 4060669), (5628, 3757634), (6231, 3393992), (8308, 2545494), (11256, 1878817), (12462, 1696996), (14539, 1454568), (16616, 1272747), (24924, 848498), (29078, 727284), (43617, 484856), (49848, 424249), (58156, 363642), (60607, 348936), (87234, 242428), (116312, 181821), (121214, 174468)]