21348912

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{34213}}^1$

素因数の和:34237

約数の個数: 40

約数和(自身を含む): 59395504

約数和(自身を除く): 38046592

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 34213, 68426, 102639, 136852, 205278, 273704, 410556, 444769, 547408, 821112, 889538, 1334307, 1642224, 1779076, 2668614, 3558152, 5337228, 7116304, 10674456, 21348912]

約数ペア:

[(1, 21348912), (2, 10674456), (3, 7116304), (4, 5337228), (6, 3558152), (8, 2668614), (12, 1779076), (13, 1642224), (16, 1334307), (24, 889538), (26, 821112), (39, 547408), (48, 444769), (52, 410556), (78, 273704), (104, 205278), (156, 136852), (208, 102639), (312, 68426), (624, 34213)]