21266852

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{607}}^1$

素因数の和:1091

約数の個数: 24

約数和(自身を含む): 39325440

約数和(自身を除く): 18058588

約数列:

[1, 2, 4, 19, 38, 76, 461, 607, 922, 1214, 1844, 2428, 8759, 11533, 17518, 23066, 35036, 46132, 279827, 559654, 1119308, 5316713, 10633426, 21266852]

約数ペア:

[(1, 21266852), (2, 10633426), (4, 5316713), (19, 1119308), (38, 559654), (76, 279827), (461, 46132), (607, 35036), (922, 23066), (1214, 17518), (1844, 11533), (2428, 8759)]