21615695965

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1\times {\mathrm{4751}}^1$

素因数の和:5133

約数の個数: 32

約数和(自身を含む): 27097804800

約数和(自身を除く): 5482108835

約数列:

[1, 5, 31, 149, 155, 197, 745, 985, 4619, 4751, 6107, 23095, 23755, 29353, 30535, 146765, 147281, 707899, 736405, 909943, 935947, 3539495, 4549715, 4679735, 21944869, 29014357, 109724345, 139456103, 145071785, 697280515, 4323139193, 21615695965]

約数ペア:

[(1, 21615695965), (5, 4323139193), (31, 697280515), (149, 145071785), (155, 139456103), (197, 109724345), (745, 29014357), (985, 21944869), (4619, 4679735), (4751, 4549715), (6107, 3539495), (23095, 935947), (23755, 909943), (29353, 736405), (30535, 707899), (146765, 147281)]