21248044

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{2381}}^1$

素因数の和:2505

約数の個数: 24

約数和(自身を含む): 39217248

約数和(自身を除く): 17969204

約数列:

[1, 2, 4, 23, 46, 92, 97, 194, 388, 2231, 2381, 4462, 4762, 8924, 9524, 54763, 109526, 219052, 230957, 461914, 923828, 5312011, 10624022, 21248044]

約数ペア:

[(1, 21248044), (2, 10624022), (4, 5312011), (23, 923828), (46, 461914), (92, 230957), (97, 219052), (194, 109526), (388, 54763), (2231, 9524), (2381, 8924), (4462, 4762)]