21545928

素因数分解:

$2^3\times 3^2\times {\mathrm{47}}^1\times {\mathrm{6367}}^1$

素因数の和:6426

約数の個数: 48

約数和(自身を含む): 59604480

約数和(自身を除く): 38058552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 47, 72, 94, 141, 188, 282, 376, 423, 564, 846, 1128, 1692, 3384, 6367, 12734, 19101, 25468, 38202, 50936, 57303, 76404, 114606, 152808, 229212, 299249, 458424, 598498, 897747, 1196996, 1795494, 2393992, 2693241, 3590988, 5386482, 7181976, 10772964, 21545928]

約数ペア:

[(1, 21545928), (2, 10772964), (3, 7181976), (4, 5386482), (6, 3590988), (8, 2693241), (9, 2393992), (12, 1795494), (18, 1196996), (24, 897747), (36, 598498), (47, 458424), (72, 299249), (94, 229212), (141, 152808), (188, 114606), (282, 76404), (376, 57303), (423, 50936), (564, 38202), (846, 25468), (1128, 19101), (1692, 12734), (3384, 6367)]