21863589

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{2971}}^1$

素因数の和:3208

約数の個数: 16

約数和(自身を含む): 31954944

約数和(自身を除く): 10091355

約数列:

[1, 3, 11, 33, 223, 669, 2453, 2971, 7359, 8913, 32681, 98043, 662533, 1987599, 7287863, 21863589]

約数ペア:

[(1, 21863589), (3, 7287863), (11, 1987599), (33, 662533), (223, 98043), (669, 32681), (2453, 8913), (2971, 7359)]