21432654

素因数分解:

$2^1\times 3^3\times {\mathrm{73}}^1\times {\mathrm{5437}}^1$

素因数の和:5521

約数の個数: 32

約数和(自身を含む): 48289440

約数和(自身を除く): 26856786

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 146, 219, 438, 657, 1314, 1971, 3942, 5437, 10874, 16311, 32622, 48933, 97866, 146799, 293598, 396901, 793802, 1190703, 2381406, 3572109, 7144218, 10716327, 21432654]

約数ペア:

[(1, 21432654), (2, 10716327), (3, 7144218), (6, 3572109), (9, 2381406), (18, 1190703), (27, 793802), (54, 396901), (73, 293598), (146, 146799), (219, 97866), (438, 48933), (657, 32622), (1314, 16311), (1971, 10874), (3942, 5437)]