21875445

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10343}}^1$

素因数の和:10401

約数の個数: 24

約数和(自身を含む): 38727936

約数和(自身を除く): 16852491

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 10343, 31029, 51715, 93087, 155145, 465435, 486121, 1458363, 2430605, 4375089, 7291815, 21875445]

約数ペア:

[(1, 21875445), (3, 7291815), (5, 4375089), (9, 2430605), (15, 1458363), (45, 486121), (47, 465435), (141, 155145), (235, 93087), (423, 51715), (705, 31029), (2115, 10343)]