21099562

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{3821}}^1$

素因数の和:4085

約数の個数: 16

約数和(自身を含む): 34673184

約数和(自身を除く): 13573622

約数列:

[1, 2, 11, 22, 251, 502, 2761, 3821, 5522, 7642, 42031, 84062, 959071, 1918142, 10549781, 21099562]

約数ペア:

[(1, 21099562), (2, 10549781), (11, 1918142), (22, 959071), (251, 84062), (502, 42031), (2761, 7642), (3821, 5522)]