21258798

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{383}}^1$

素因数の和:457

約数の個数: 48

約数和(自身を含む): 48162816

約数和(自身を除く): 26904018

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 58, 66, 87, 174, 319, 383, 638, 766, 841, 957, 1149, 1682, 1914, 2298, 2523, 4213, 5046, 8426, 9251, 11107, 12639, 18502, 22214, 25278, 27753, 33321, 55506, 66642, 122177, 244354, 322103, 366531, 644206, 733062, 966309, 1932618, 3543133, 7086266, 10629399, 21258798]

約数ペア:

[(1, 21258798), (2, 10629399), (3, 7086266), (6, 3543133), (11, 1932618), (22, 966309), (29, 733062), (33, 644206), (58, 366531), (66, 322103), (87, 244354), (174, 122177), (319, 66642), (383, 55506), (638, 33321), (766, 27753), (841, 25278), (957, 22214), (1149, 18502), (1682, 12639), (1914, 11107), (2298, 9251), (2523, 8426), (4213, 5046)]