202121390

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{492979}}^1$

素因数の和:493027

約数の個数: 16

約数和(自身を含む): 372692880

約数和(自身を除く): 170571490

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 492979, 985958, 2464895, 4929790, 20212139, 40424278, 101060695, 202121390]

約数ペア:

[(1, 202121390), (2, 101060695), (5, 40424278), (10, 20212139), (41, 4929790), (82, 2464895), (205, 985958), (410, 492979)]