21672238

素因数分解:

$2^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{3677}}^1$

素因数の和:4107

約数の個数: 16

約数和(自身を含む): 37250784

約数和(自身を除く): 15578546

約数列:

[1, 2, 7, 14, 421, 842, 2947, 3677, 5894, 7354, 25739, 51478, 1548017, 3096034, 10836119, 21672238]

約数ペア:

[(1, 21672238), (2, 10836119), (7, 3096034), (14, 1548017), (421, 51478), (842, 25739), (2947, 7354), (3677, 5894)]