21056944

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{32099}}^1$

素因数の和:32148

約数の個数: 20

約数和(自身を含む): 41794200

約数和(自身を除く): 20737256

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 32099, 64198, 128396, 256792, 513584, 1316059, 2632118, 5264236, 10528472, 21056944]

約数ペア:

[(1, 21056944), (2, 10528472), (4, 5264236), (8, 2632118), (16, 1316059), (41, 513584), (82, 256792), (164, 128396), (328, 64198), (656, 32099)]