21370778890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{739}}^1\times {\mathrm{99719}}^1$

素因数の和:100494

約数の個数: 32

約数和(自身を含む): 39848112000

約数和(自身を除く): 18477333110

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 739, 1478, 3695, 7390, 21431, 42862, 99719, 107155, 199438, 214310, 498595, 997190, 2891851, 5783702, 14459255, 28918510, 73692341, 147384682, 368461705, 736923410, 2137077889, 4274155778, 10685389445, 21370778890]

約数ペア:

[(1, 21370778890), (2, 10685389445), (5, 4274155778), (10, 2137077889), (29, 736923410), (58, 368461705), (145, 147384682), (290, 73692341), (739, 28918510), (1478, 14459255), (3695, 5783702), (7390, 2891851), (21431, 997190), (42862, 498595), (99719, 214310), (107155, 199438)]