21718466

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{20147}}^1$

素因数の和:20174

約数の個数: 24

約数和(自身を含む): 41343696

約数和(自身を除く): 19625230

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 20147, 40294, 141029, 221617, 282058, 443234, 987203, 1551319, 1974406, 3102638, 10859233, 21718466]

約数ペア:

[(1, 21718466), (2, 10859233), (7, 3102638), (11, 1974406), (14, 1551319), (22, 987203), (49, 443234), (77, 282058), (98, 221617), (154, 141029), (539, 40294), (1078, 20147)]