21374654

素因数分解:

$2^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{10111}}^1$

素因数の和:10271

約数の個数: 16

約数和(自身を含む): 36888576

約数和(自身を除く): 15513922

約数列:

[1, 2, 7, 14, 151, 302, 1057, 2114, 10111, 20222, 70777, 141554, 1526761, 3053522, 10687327, 21374654]

約数ペア:

[(1, 21374654), (2, 10687327), (7, 3053522), (14, 1526761), (151, 141554), (302, 70777), (1057, 20222), (2114, 10111)]