21206356

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{9001}}^1$

素因数の和:9055

約数の個数: 24

約数和(自身を含む): 40328960

約数和(自身を除く): 19122604

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 1178, 2356, 9001, 18002, 36004, 171019, 279031, 342038, 558062, 684076, 1116124, 5301589, 10603178, 21206356]

約数ペア:

[(1, 21206356), (2, 10603178), (4, 5301589), (19, 1116124), (31, 684076), (38, 558062), (62, 342038), (76, 279031), (124, 171019), (589, 36004), (1178, 18002), (2356, 9001)]