21578448

素因数分解:

$2^4\times 3^1\times {\mathrm{101}}^1\times {\mathrm{4451}}^1$

素因数の和:4563

約数の個数: 40

約数和(自身を含む): 56308896

約数和(自身を除く): 34730448

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 101, 202, 303, 404, 606, 808, 1212, 1616, 2424, 4451, 4848, 8902, 13353, 17804, 26706, 35608, 53412, 71216, 106824, 213648, 449551, 899102, 1348653, 1798204, 2697306, 3596408, 5394612, 7192816, 10789224, 21578448]

約数ペア:

[(1, 21578448), (2, 10789224), (3, 7192816), (4, 5394612), (6, 3596408), (8, 2697306), (12, 1798204), (16, 1348653), (24, 899102), (48, 449551), (101, 213648), (202, 106824), (303, 71216), (404, 53412), (606, 35608), (808, 26706), (1212, 17804), (1616, 13353), (2424, 8902), (4451, 4848)]