21417406

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{2083}}^1$

素因数の和:2235

約数の個数: 16

約数和(自身を含む): 33085584

約数和(自身を除く): 11668178

約数列:

[1, 2, 53, 97, 106, 194, 2083, 4166, 5141, 10282, 110399, 202051, 220798, 404102, 10708703, 21417406]

約数ペア:

[(1, 21417406), (2, 10708703), (53, 404102), (97, 220798), (106, 202051), (194, 110399), (2083, 10282), (4166, 5141)]