21522603

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{541}}^1$

素因数の和:782

約数の個数: 16

約数和(自身を含む): 29268000

約数和(自身を除く): 7745397

約数列:

[1, 3, 89, 149, 267, 447, 541, 1623, 13261, 39783, 48149, 80609, 144447, 241827, 7174201, 21522603]

約数ペア:

[(1, 21522603), (3, 7174201), (89, 241827), (149, 144447), (267, 80609), (447, 48149), (541, 39783), (1623, 13261)]