21811190

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{75211}}^1$

素因数の和:75247

約数の個数: 16

約数和(自身を含む): 40614480

約数和(自身を除く): 18803290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 75211, 150422, 376055, 752110, 2181119, 4362238, 10905595, 21811190]

約数ペア:

[(1, 21811190), (2, 10905595), (5, 4362238), (10, 2181119), (29, 752110), (58, 376055), (145, 150422), (290, 75211)]