21850195

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4861}}^1$

素因数の和:4926

約数の個数: 16

約数和(自身を含む): 28005120

約数和(自身を除く): 6154925

約数列:

[1, 5, 29, 31, 145, 155, 899, 4495, 4861, 24305, 140969, 150691, 704845, 753455, 4370039, 21850195]

約数ペア:

[(1, 21850195), (5, 4370039), (29, 753455), (31, 704845), (145, 150691), (155, 140969), (899, 24305), (4495, 4861)]