21091828

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{3229}}^1$

素因数の和:3327

約数の個数: 24

約数和(自身を含む): 39070080

約数和(自身を除く): 17978252

約数列:

[1, 2, 4, 23, 46, 71, 92, 142, 284, 1633, 3229, 3266, 6458, 6532, 12916, 74267, 148534, 229259, 297068, 458518, 917036, 5272957, 10545914, 21091828]

約数ペア:

[(1, 21091828), (2, 10545914), (4, 5272957), (23, 917036), (46, 458518), (71, 297068), (92, 229259), (142, 148534), (284, 74267), (1633, 12916), (3229, 6532), (3266, 6458)]