21043860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{350731}}^1$

素因数の和:350743

約数の個数: 24

約数和(自身を含む): 58922976

約数和(自身を除く): 37879116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 350731, 701462, 1052193, 1402924, 1753655, 2104386, 3507310, 4208772, 5260965, 7014620, 10521930, 21043860]

約数ペア:

[(1, 21043860), (2, 10521930), (3, 7014620), (4, 5260965), (5, 4208772), (6, 3507310), (10, 2104386), (12, 1753655), (15, 1402924), (20, 1052193), (30, 701462), (60, 350731)]