21909938

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{7109}}^1$

素因数の和:7201

約数の個数: 16

約数和(自身を含む): 34810560

約数和(自身を除く): 12900622

約数列:

[1, 2, 23, 46, 67, 134, 1541, 3082, 7109, 14218, 163507, 327014, 476303, 952606, 10954969, 21909938]

約数ペア:

[(1, 21909938), (2, 10954969), (23, 952606), (46, 476303), (67, 327014), (134, 163507), (1541, 14218), (3082, 7109)]