21532809

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{2351}}^1$

素因数の和:2468

約数の個数: 16

約数和(自身を含む): 29804544

約数和(自身を除く): 8271735

約数列:

[1, 3, 43, 71, 129, 213, 2351, 3053, 7053, 9159, 101093, 166921, 303279, 500763, 7177603, 21532809]

約数ペア:

[(1, 21532809), (3, 7177603), (43, 500763), (71, 303279), (129, 166921), (213, 101093), (2351, 9159), (3053, 7053)]