21250554

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{2411}}^1$

素因数の和:2542

約数の個数: 32

約数和(自身を含む): 46194624

約数和(自身を除く): 24944070

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 113, 226, 339, 678, 1469, 2411, 2938, 4407, 4822, 7233, 8814, 14466, 31343, 62686, 94029, 188058, 272443, 544886, 817329, 1634658, 3541759, 7083518, 10625277, 21250554]

約数ペア:

[(1, 21250554), (2, 10625277), (3, 7083518), (6, 3541759), (13, 1634658), (26, 817329), (39, 544886), (78, 272443), (113, 188058), (226, 94029), (339, 62686), (678, 31343), (1469, 14466), (2411, 8814), (2938, 7233), (4407, 4822)]