21424330

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73877}}^1$

素因数の和:73913

約数の個数: 16

約数和(自身を含む): 39894120

約数和(自身を除く): 18469790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 73877, 147754, 369385, 738770, 2142433, 4284866, 10712165, 21424330]

約数ペア:

[(1, 21424330), (2, 10712165), (5, 4284866), (10, 2142433), (29, 738770), (58, 369385), (145, 147754), (290, 73877)]