21856904

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{46307}}^1$

素因数の和:46372

約数の個数: 16

約数和(自身を含む): 41677200

約数和(自身を除く): 19820296

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 46307, 92614, 185228, 370456, 2732113, 5464226, 10928452, 21856904]

約数ペア:

[(1, 21856904), (2, 10928452), (4, 5464226), (8, 2732113), (59, 370456), (118, 185228), (236, 92614), (472, 46307)]