21122530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{14771}}^1$

素因数の和:14802

約数の個数: 32

約数和(自身を含む): 44670528

約数和(自身を除く): 23547998

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 14771, 29542, 73855, 147710, 162481, 192023, 324962, 384046, 812405, 960115, 1624810, 1920230, 2112253, 4224506, 10561265, 21122530]

約数ペア:

[(1, 21122530), (2, 10561265), (5, 4224506), (10, 2112253), (11, 1920230), (13, 1624810), (22, 960115), (26, 812405), (55, 384046), (65, 324962), (110, 192023), (130, 162481), (143, 147710), (286, 73855), (715, 29542), (1430, 14771)]