21236930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{14851}}^1$

素因数の和:14882

約数の個数: 32

約数和(自身を含む): 44912448

約数和(自身を除く): 23675518

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 14851, 29702, 74255, 148510, 163361, 193063, 326722, 386126, 816805, 965315, 1633610, 1930630, 2123693, 4247386, 10618465, 21236930]

約数ペア:

[(1, 21236930), (2, 10618465), (5, 4247386), (10, 2123693), (11, 1930630), (13, 1633610), (22, 965315), (26, 816805), (55, 386126), (65, 326722), (110, 193063), (130, 163361), (143, 148510), (286, 74255), (715, 29702), (1430, 14851)]