21863317

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{593}}^1$

素因数の和:852

約数の個数: 16

約数和(自身を含む): 26231040

約数和(自身を除く): 4367723

約数列:

[1, 7, 23, 161, 229, 593, 1603, 4151, 5267, 13639, 36869, 95473, 135797, 950579, 3123331, 21863317]

約数ペア:

[(1, 21863317), (7, 3123331), (23, 950579), (161, 135797), (229, 95473), (593, 36869), (1603, 13639), (4151, 5267)]