21250764

素因数分解:

$2^2\times 3^2\times {\mathrm{719}}^1\times {\mathrm{821}}^1$

素因数の和:1550

約数の個数: 36

約数和(自身を含む): 53857440

約数和(自身を除く): 32606676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 719, 821, 1438, 1642, 2157, 2463, 2876, 3284, 4314, 4926, 6471, 7389, 8628, 9852, 12942, 14778, 25884, 29556, 590299, 1180598, 1770897, 2361196, 3541794, 5312691, 7083588, 10625382, 21250764]

約数ペア:

[(1, 21250764), (2, 10625382), (3, 7083588), (4, 5312691), (6, 3541794), (9, 2361196), (12, 1770897), (18, 1180598), (36, 590299), (719, 29556), (821, 25884), (1438, 14778), (1642, 12942), (2157, 9852), (2463, 8628), (2876, 7389), (3284, 6471), (4314, 4926)]