21702961

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{827}}^1$

素因数の和:1020

約数の個数: 16

約数和(自身を含む): 26072064

約数和(自身を除く): 4369103

約数列:

[1, 7, 23, 161, 163, 827, 1141, 3749, 5789, 19021, 26243, 133147, 134801, 943607, 3100423, 21702961]

約数ペア:

[(1, 21702961), (7, 3100423), (23, 943607), (161, 134801), (163, 133147), (827, 26243), (1141, 19021), (3749, 5789)]