21001368

素因数分解:

$2^3\times 3^1\times {\mathrm{269}}^1\times {\mathrm{3253}}^1$

素因数の和:3531

約数の個数: 32

約数和(自身を含む): 52714800

約数和(自身を除く): 31713432

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 269, 538, 807, 1076, 1614, 2152, 3228, 3253, 6456, 6506, 9759, 13012, 19518, 26024, 39036, 78072, 875057, 1750114, 2625171, 3500228, 5250342, 7000456, 10500684, 21001368]

約数ペア:

[(1, 21001368), (2, 10500684), (3, 7000456), (4, 5250342), (6, 3500228), (8, 2625171), (12, 1750114), (24, 875057), (269, 78072), (538, 39036), (807, 26024), (1076, 19518), (1614, 13012), (2152, 9759), (3228, 6506), (3253, 6456)]