21262852

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{359}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 43182720

約数和(自身を除く): 21919868

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 67, 68, 134, 221, 268, 359, 442, 718, 871, 884, 1139, 1436, 1742, 2278, 3484, 4556, 4667, 6103, 9334, 12206, 14807, 18668, 24053, 24412, 29614, 48106, 59228, 79339, 96212, 158678, 312689, 317356, 408901, 625378, 817802, 1250756, 1635604, 5315713, 10631426, 21262852]

約数ペア:

[(1, 21262852), (2, 10631426), (4, 5315713), (13, 1635604), (17, 1250756), (26, 817802), (34, 625378), (52, 408901), (67, 317356), (68, 312689), (134, 158678), (221, 96212), (268, 79339), (359, 59228), (442, 48106), (718, 29614), (871, 24412), (884, 24053), (1139, 18668), (1436, 14807), (1742, 12206), (2278, 9334), (3484, 6103), (4556, 4667)]