21194348520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{20123}}^1$

素因数の和:20335

約数の個数: 128

約数和(自身を含む): 65027888640

約数和(自身を除く): 43833540120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 120, 131, 134, 201, 262, 268, 335, 393, 402, 524, 536, 655, 670, 786, 804, 1005, 1048, 1310, 1340, 1572, 1608, 1965, 2010, 2620, 2680, 3144, 3930, 4020, 5240, 7860, 8040, 8777, 15720, 17554, 20123, 26331, 35108, 40246, 43885, 52662, 60369, 70216, 80492, 87770, 100615, 105324, 120738, 131655, 160984, 175540, 201230, 210648, 241476, 263310, 301845, 351080, 402460, 482952, 526620, 603690, 804920, 1053240, 1207380, 1348241, 2414760, 2636113, 2696482, 4044723, 5272226, 5392964, 6741205, 7908339, 8089446, 10544452, 10785928, 13180565, 13482410, 15816678, 16178892, 20223615, 21088904, 26361130, 26964820, 31633356, 32357784, 39541695, 40447230, 52722260, 53929640, 63266712, 79083390, 80894460, 105444520, 158166780, 161788920, 176619571, 316333560, 353239142, 529858713, 706478284, 883097855, 1059717426, 1412956568, 1766195710, 2119434852, 2649293565, 3532391420, 4238869704, 5298587130, 7064782840, 10597174260, 21194348520]

約数ペア:

[(1, 21194348520), (2, 10597174260), (3, 7064782840), (4, 5298587130), (5, 4238869704), (6, 3532391420), (8, 2649293565), (10, 2119434852), (12, 1766195710), (15, 1412956568), (20, 1059717426), (24, 883097855), (30, 706478284), (40, 529858713), (60, 353239142), (67, 316333560), (120, 176619571), (131, 161788920), (134, 158166780), (201, 105444520), (262, 80894460), (268, 79083390), (335, 63266712), (393, 53929640), (402, 52722260), (524, 40447230), (536, 39541695), (655, 32357784), (670, 31633356), (786, 26964820), (804, 26361130), (1005, 21088904), (1048, 20223615), (1310, 16178892), (1340, 15816678), (1572, 13482410), (1608, 13180565), (1965, 10785928), (2010, 10544452), (2620, 8089446), (2680, 7908339), (3144, 6741205), (3930, 5392964), (4020, 5272226), (5240, 4044723), (7860, 2696482), (8040, 2636113), (8777, 2414760), (15720, 1348241), (17554, 1207380), (20123, 1053240), (26331, 804920), (35108, 603690), (40246, 526620), (43885, 482952), (52662, 402460), (60369, 351080), (70216, 301845), (80492, 263310), (87770, 241476), (100615, 210648), (105324, 201230), (120738, 175540), (131655, 160984)]