21376454

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{26261}}^1$

素因数の和:26311

約数の個数: 16

約数和(自身を含む): 35926416

約数和(自身を除く): 14549962

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 26261, 52522, 288871, 577742, 971657, 1943314, 10688227, 21376454]

約数ペア:

[(1, 21376454), (2, 10688227), (11, 1943314), (22, 971657), (37, 577742), (74, 288871), (407, 52522), (814, 26261)]