21662670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1123}}^1$

素因数の和:1776

約数の個数: 32

約数和(自身を含む): 52117632

約数和(自身を除く): 30454962

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 643, 1123, 1286, 1929, 2246, 3215, 3369, 3858, 5615, 6430, 6738, 9645, 11230, 16845, 19290, 33690, 722089, 1444178, 2166267, 3610445, 4332534, 7220890, 10831335, 21662670]

約数ペア:

[(1, 21662670), (2, 10831335), (3, 7220890), (5, 4332534), (6, 3610445), (10, 2166267), (15, 1444178), (30, 722089), (643, 33690), (1123, 19290), (1286, 16845), (1929, 11230), (2246, 9645), (3215, 6738), (3369, 6430), (3858, 5615)]