21995406

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{53129}}^1$

素因数の和:53160

約数の個数: 24

約数和(自身を含む): 49729680

約数和(自身を除く): 27734274

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 53129, 106258, 159387, 318774, 478161, 956322, 1221967, 2443934, 3665901, 7331802, 10997703, 21995406]

約数ペア:

[(1, 21995406), (2, 10997703), (3, 7331802), (6, 3665901), (9, 2443934), (18, 1221967), (23, 956322), (46, 478161), (69, 318774), (138, 159387), (207, 106258), (414, 53129)]