21146736

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{33889}}^1$

素因数の和:33913

約数の個数: 40

約数和(自身を含む): 58833040

約数和(自身を除く): 37686304

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 33889, 67778, 101667, 135556, 203334, 271112, 406668, 440557, 542224, 813336, 881114, 1321671, 1626672, 1762228, 2643342, 3524456, 5286684, 7048912, 10573368, 21146736]

約数ペア:

[(1, 21146736), (2, 10573368), (3, 7048912), (4, 5286684), (6, 3524456), (8, 2643342), (12, 1762228), (13, 1626672), (16, 1321671), (24, 881114), (26, 813336), (39, 542224), (48, 440557), (52, 406668), (78, 271112), (104, 203334), (156, 135556), (208, 101667), (312, 67778), (624, 33889)]