21208936

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3677}}^1$

素因数の和:3793

約数の個数: 32

約数和(自身を含む): 45901440

約数和(自身を除く): 24692504

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 412, 721, 824, 1442, 2884, 3677, 5768, 7354, 14708, 25739, 29416, 51478, 102956, 205912, 378731, 757462, 1514924, 2651117, 3029848, 5302234, 10604468, 21208936]

約数ペア:

[(1, 21208936), (2, 10604468), (4, 5302234), (7, 3029848), (8, 2651117), (14, 1514924), (28, 757462), (56, 378731), (103, 205912), (206, 102956), (412, 51478), (721, 29416), (824, 25739), (1442, 14708), (2884, 7354), (3677, 5768)]