21513768

素因数分解:

$2^3\times 3^1\times {\mathrm{739}}^1\times {\mathrm{1213}}^1$

素因数の和:1961

約数の個数: 32

約数和(自身を含む): 53901600

約数和(自身を除く): 32387832

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 739, 1213, 1478, 2217, 2426, 2956, 3639, 4434, 4852, 5912, 7278, 8868, 9704, 14556, 17736, 29112, 896407, 1792814, 2689221, 3585628, 5378442, 7171256, 10756884, 21513768]

約数ペア:

[(1, 21513768), (2, 10756884), (3, 7171256), (4, 5378442), (6, 3585628), (8, 2689221), (12, 1792814), (24, 896407), (739, 29112), (1213, 17736), (1478, 14556), (2217, 9704), (2426, 8868), (2956, 7278), (3639, 5912), (4434, 4852)]