21544953

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:616

約数の個数: 16

約数和(自身を含む): 29198400

約数和(自身を除く): 7653447

約数列:

[1, 3, 149, 157, 307, 447, 471, 921, 23393, 45743, 48199, 70179, 137229, 144597, 7181651, 21544953]

約数ペア:

[(1, 21544953), (3, 7181651), (149, 144597), (157, 137229), (307, 70179), (447, 48199), (471, 45743), (921, 23393)]