21259536

素因数分解:

$2^4\times 3^1\times {\mathrm{181}}^1\times {\mathrm{2447}}^1$

素因数の和:2639

約数の個数: 40

約数和(自身を含む): 55246464

約数和(自身を除く): 33986928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 181, 362, 543, 724, 1086, 1448, 2172, 2447, 2896, 4344, 4894, 7341, 8688, 9788, 14682, 19576, 29364, 39152, 58728, 117456, 442907, 885814, 1328721, 1771628, 2657442, 3543256, 5314884, 7086512, 10629768, 21259536]

約数ペア:

[(1, 21259536), (2, 10629768), (3, 7086512), (4, 5314884), (6, 3543256), (8, 2657442), (12, 1771628), (16, 1328721), (24, 885814), (48, 442907), (181, 117456), (362, 58728), (543, 39152), (724, 29364), (1086, 19576), (1448, 14682), (2172, 9788), (2447, 8688), (2896, 7341), (4344, 4894)]