21877090

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{523}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 40746240

約数和(自身を除く): 18869150

約数列:

[1, 2, 5, 10, 47, 89, 94, 178, 235, 445, 470, 523, 890, 1046, 2615, 4183, 5230, 8366, 20915, 24581, 41830, 46547, 49162, 93094, 122905, 232735, 245810, 465470, 2187709, 4375418, 10938545, 21877090]

約数ペア:

[(1, 21877090), (2, 10938545), (5, 4375418), (10, 2187709), (47, 465470), (89, 245810), (94, 232735), (178, 122905), (235, 93094), (445, 49162), (470, 46547), (523, 41830), (890, 24581), (1046, 20915), (2615, 8366), (4183, 5230)]