21091908

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{37397}}^1$

素因数の和:37451

約数の個数: 24

約数和(自身を含む): 50262912

約数和(自身を除く): 29171004

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 141, 188, 282, 564, 37397, 74794, 112191, 149588, 224382, 448764, 1757659, 3515318, 5272977, 7030636, 10545954, 21091908]

約数ペア:

[(1, 21091908), (2, 10545954), (3, 7030636), (4, 5272977), (6, 3515318), (12, 1757659), (47, 448764), (94, 224382), (141, 149588), (188, 112191), (282, 74794), (564, 37397)]