21705166

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{277}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 38831040

約数和(自身を除く): 17125874

約数列:

[1, 2, 7, 14, 29, 58, 193, 203, 277, 386, 406, 554, 1351, 1939, 2702, 3878, 5597, 8033, 11194, 16066, 39179, 53461, 56231, 78358, 106922, 112462, 374227, 748454, 1550369, 3100738, 10852583, 21705166]

約数ペア:

[(1, 21705166), (2, 10852583), (7, 3100738), (14, 1550369), (29, 748454), (58, 374227), (193, 112462), (203, 106922), (277, 78358), (386, 56231), (406, 53461), (554, 39179), (1351, 16066), (1939, 11194), (2702, 8033), (3878, 5597)]