21068690

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1949}}^1$

素因数の和:2026

約数の個数: 32

約数和(自身を含む): 40435200

約数和(自身を除く): 19366510

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 115, 230, 235, 470, 1081, 1949, 2162, 3898, 5405, 9745, 10810, 19490, 44827, 89654, 91603, 183206, 224135, 448270, 458015, 916030, 2106869, 4213738, 10534345, 21068690]

約数ペア:

[(1, 21068690), (2, 10534345), (5, 4213738), (10, 2106869), (23, 916030), (46, 458015), (47, 448270), (94, 224135), (115, 183206), (230, 91603), (235, 89654), (470, 44827), (1081, 19490), (1949, 10810), (2162, 9745), (3898, 5405)]