21213768

素因数分解:

$2^3\times 3^1\times {\mathrm{277}}^1\times {\mathrm{3191}}^1$

素因数の和:3477

約数の個数: 32

約数和(自身を含む): 53242560

約数和(自身を除く): 32028792

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 277, 554, 831, 1108, 1662, 2216, 3191, 3324, 6382, 6648, 9573, 12764, 19146, 25528, 38292, 76584, 883907, 1767814, 2651721, 3535628, 5303442, 7071256, 10606884, 21213768]

約数ペア:

[(1, 21213768), (2, 10606884), (3, 7071256), (4, 5303442), (6, 3535628), (8, 2651721), (12, 1767814), (24, 883907), (277, 76584), (554, 38292), (831, 25528), (1108, 19146), (1662, 12764), (2216, 9573), (3191, 6648), (3324, 6382)]