21029724

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{9901}}^1$

素因数の和:9970

約数の個数: 36

約数和(自身を含む): 54064920

約数和(自身を除く): 33035196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 118, 177, 236, 354, 531, 708, 1062, 2124, 9901, 19802, 29703, 39604, 59406, 89109, 118812, 178218, 356436, 584159, 1168318, 1752477, 2336636, 3504954, 5257431, 7009908, 10514862, 21029724]

約数ペア:

[(1, 21029724), (2, 10514862), (3, 7009908), (4, 5257431), (6, 3504954), (9, 2336636), (12, 1752477), (18, 1168318), (36, 584159), (59, 356436), (118, 178218), (177, 118812), (236, 89109), (354, 59406), (531, 39604), (708, 29703), (1062, 19802), (2124, 9901)]