21666835

素因数分解:

$5^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:510

約数の個数: 16

約数和(自身を含む): 26496000

約数和(自身を除く): 4829165

約数列:

[1, 5, 127, 149, 229, 635, 745, 1145, 18923, 29083, 34121, 94615, 145415, 170605, 4333367, 21666835]

約数ペア:

[(1, 21666835), (5, 4333367), (127, 170605), (149, 145415), (229, 94615), (635, 34121), (745, 29083), (1145, 18923)]