21038633

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 26940480

約数和(自身を除く): 5901847

約数列:

[1, 7, 11, 59, 77, 121, 413, 421, 649, 847, 2947, 4543, 4631, 7139, 24839, 32417, 49973, 50941, 173873, 273229, 356587, 1912603, 3005519, 21038633]

約数ペア:

[(1, 21038633), (7, 3005519), (11, 1912603), (59, 356587), (77, 273229), (121, 173873), (413, 50941), (421, 49973), (649, 32417), (847, 24839), (2947, 7139), (4543, 4631)]