21753190

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{75011}}^1$

素因数の和:75047

約数の個数: 16

約数和(自身を含む): 40506480

約数和(自身を除く): 18753290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 75011, 150022, 375055, 750110, 2175319, 4350638, 10876595, 21753190]

約数ペア:

[(1, 21753190), (2, 10876595), (5, 4350638), (10, 2175319), (29, 750110), (58, 375055), (145, 150022), (290, 75011)]