21105768

素因数分解:

$2^3\times 3^1\times {\mathrm{101}}^1\times {\mathrm{8707}}^1$

素因数の和:8817

約数の個数: 32

約数和(自身を含む): 53292960

約数和(自身を除く): 32187192

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 101, 202, 303, 404, 606, 808, 1212, 2424, 8707, 17414, 26121, 34828, 52242, 69656, 104484, 208968, 879407, 1758814, 2638221, 3517628, 5276442, 7035256, 10552884, 21105768]

約数ペア:

[(1, 21105768), (2, 10552884), (3, 7035256), (4, 5276442), (6, 3517628), (8, 2638221), (12, 1758814), (24, 879407), (101, 208968), (202, 104484), (303, 69656), (404, 52242), (606, 34828), (808, 26121), (1212, 17414), (2424, 8707)]