21023570

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1091}}^1$

素因数の和:1186

約数の個数: 32

約数和(自身を含む): 39626496

約数和(自身を除く): 18602926

約数列:

[1, 2, 5, 10, 41, 47, 82, 94, 205, 235, 410, 470, 1091, 1927, 2182, 3854, 5455, 9635, 10910, 19270, 44731, 51277, 89462, 102554, 223655, 256385, 447310, 512770, 2102357, 4204714, 10511785, 21023570]

約数ペア:

[(1, 21023570), (2, 10511785), (5, 4204714), (10, 2102357), (41, 512770), (47, 447310), (82, 256385), (94, 223655), (205, 102554), (235, 89462), (410, 51277), (470, 44731), (1091, 19270), (1927, 10910), (2182, 9635), (3854, 5455)]