21200438

素因数分解:

$2^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{953}}^1$

素因数の和:1196

約数の個数: 24

約数和(自身を含む): 37194552

約数和(自身を除く): 15994114

約数列:

[1, 2, 7, 14, 49, 98, 227, 454, 953, 1589, 1906, 3178, 6671, 11123, 13342, 22246, 46697, 93394, 216331, 432662, 1514317, 3028634, 10600219, 21200438]

約数ペア:

[(1, 21200438), (2, 10600219), (7, 3028634), (14, 1514317), (49, 432662), (98, 216331), (227, 93394), (454, 46697), (953, 22246), (1589, 13342), (1906, 11123), (3178, 6671)]