21000559480

素因数分解:

$2^3\times 5^1\times {\mathrm{769}}^1\times {\mathrm{682723}}^1$

素因数の和:683503

約数の個数: 32

約数和(自身を含む): 47312773200

約数和(自身を除く): 26312213720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 769, 1538, 3076, 3845, 6152, 7690, 15380, 30760, 682723, 1365446, 2730892, 3413615, 5461784, 6827230, 13654460, 27308920, 525013987, 1050027974, 2100055948, 2625069935, 4200111896, 5250139870, 10500279740, 21000559480]

約数ペア:

[(1, 21000559480), (2, 10500279740), (4, 5250139870), (5, 4200111896), (8, 2625069935), (10, 2100055948), (20, 1050027974), (40, 525013987), (769, 27308920), (1538, 13654460), (3076, 6827230), (3845, 5461784), (6152, 3413615), (7690, 2730892), (15380, 1365446), (30760, 682723)]