21072176

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{8839}}^1$

素因数の和:8996

約数の個数: 20

約数和(自身を含む): 41106000

約数和(自身を除く): 20033824

約数列:

[1, 2, 4, 8, 16, 149, 298, 596, 1192, 2384, 8839, 17678, 35356, 70712, 141424, 1317011, 2634022, 5268044, 10536088, 21072176]

約数ペア:

[(1, 21072176), (2, 10536088), (4, 5268044), (8, 2634022), (16, 1317011), (149, 141424), (298, 70712), (596, 35356), (1192, 17678), (2384, 8839)]