21193270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1093}}^1$

素因数の和:1384

約数の個数: 32

約数和(自身を含む): 43795008

約数和(自身を除く): 22601738

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 277, 554, 1093, 1385, 1939, 2186, 2770, 3878, 5465, 7651, 9695, 10930, 15302, 19390, 38255, 76510, 302761, 605522, 1513805, 2119327, 3027610, 4238654, 10596635, 21193270]

約数ペア:

[(1, 21193270), (2, 10596635), (5, 4238654), (7, 3027610), (10, 2119327), (14, 1513805), (35, 605522), (70, 302761), (277, 76510), (554, 38255), (1093, 19390), (1385, 15302), (1939, 10930), (2186, 9695), (2770, 7651), (3878, 5465)]