21320676

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{45557}}^1$

素因数の和:45580

約数の個数: 36

約数和(自身を含む): 58040892

約数和(自身を除く): 36720216

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 45557, 91114, 136671, 182228, 273342, 410013, 546684, 592241, 820026, 1184482, 1640052, 1776723, 2368964, 3553446, 5330169, 7106892, 10660338, 21320676]

約数ペア:

[(1, 21320676), (2, 10660338), (3, 7106892), (4, 5330169), (6, 3553446), (9, 2368964), (12, 1776723), (13, 1640052), (18, 1184482), (26, 820026), (36, 592241), (39, 546684), (52, 410013), (78, 273342), (117, 182228), (156, 136671), (234, 91114), (468, 45557)]