21272504

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{4561}}^1$

素因数の和:4631

約数の個数: 32

約数和(自身を含む): 44342640

約数和(自身を除く): 23070136

約数列:

[1, 2, 4, 8, 11, 22, 44, 53, 88, 106, 212, 424, 583, 1166, 2332, 4561, 4664, 9122, 18244, 36488, 50171, 100342, 200684, 241733, 401368, 483466, 966932, 1933864, 2659063, 5318126, 10636252, 21272504]

約数ペア:

[(1, 21272504), (2, 10636252), (4, 5318126), (8, 2659063), (11, 1933864), (22, 966932), (44, 483466), (53, 401368), (88, 241733), (106, 200684), (212, 100342), (424, 50171), (583, 36488), (1166, 18244), (2332, 9122), (4561, 4664)]