21931301

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{613}}^1$

素因数の和:908

約数の個数: 16

約数和(自身を含む): 26524800

約数和(自身を除く): 4593499

約数列:

[1, 7, 19, 133, 269, 613, 1883, 4291, 5111, 11647, 35777, 81529, 164897, 1154279, 3133043, 21931301]

約数ペア:

[(1, 21931301), (7, 3133043), (19, 1154279), (133, 164897), (269, 81529), (613, 35777), (1883, 11647), (4291, 5111)]