21813374

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{9817}}^1$

素因数の和:9931

約数の個数: 16

約数和(自身を含む): 36051696

約数和(自身を除く): 14238322

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 9817, 19634, 107987, 215974, 991517, 1983034, 10906687, 21813374]

約数ペア:

[(1, 21813374), (2, 10906687), (11, 1983034), (22, 991517), (101, 215974), (202, 107987), (1111, 19634), (2222, 9817)]