21671156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2797}}^1$

素因数の和:2963

約数の個数: 24

約数和(自身を含む): 41130600

約数和(自身を除く): 19459444

約数列:

[1, 2, 4, 13, 26, 52, 149, 298, 596, 1937, 2797, 3874, 5594, 7748, 11188, 36361, 72722, 145444, 416753, 833506, 1667012, 5417789, 10835578, 21671156]

約数ペア:

[(1, 21671156), (2, 10835578), (4, 5417789), (13, 1667012), (26, 833506), (52, 416753), (149, 145444), (298, 72722), (596, 36361), (1937, 11188), (2797, 7748), (3874, 5594)]