21636698380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{902281}}^1$

素因数の和:902410

約数の個数: 48

約数和(自身を含む): 50022514080

約数和(自身を除く): 28385815700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 2180, 2398, 4796, 5995, 11990, 23980, 902281, 1804562, 3609124, 4511405, 9022810, 9925091, 18045620, 19850182, 39700364, 49625455, 98348629, 99250910, 196697258, 198501820, 393394516, 491743145, 983486290, 1081834919, 1966972580, 2163669838, 4327339676, 5409174595, 10818349190, 21636698380]

約数ペア:

[(1, 21636698380), (2, 10818349190), (4, 5409174595), (5, 4327339676), (10, 2163669838), (11, 1966972580), (20, 1081834919), (22, 983486290), (44, 491743145), (55, 393394516), (109, 198501820), (110, 196697258), (218, 99250910), (220, 98348629), (436, 49625455), (545, 39700364), (1090, 19850182), (1199, 18045620), (2180, 9925091), (2398, 9022810), (4796, 4511405), (5995, 3609124), (11990, 1804562), (23980, 902281)]