21351408

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{34217}}^1$

素因数の和:34241

約数の個数: 40

約数和(自身を含む): 59402448

約数和(自身を除く): 38051040

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 34217, 68434, 102651, 136868, 205302, 273736, 410604, 444821, 547472, 821208, 889642, 1334463, 1642416, 1779284, 2668926, 3558568, 5337852, 7117136, 10675704, 21351408]

約数ペア:

[(1, 21351408), (2, 10675704), (3, 7117136), (4, 5337852), (6, 3558568), (8, 2668926), (12, 1779284), (13, 1642416), (16, 1334463), (24, 889642), (26, 821208), (39, 547472), (48, 444821), (52, 410604), (78, 273736), (104, 205302), (156, 136868), (208, 102651), (312, 68434), (624, 34217)]