21233060

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{12791}}^1$

素因数の和:12883

約数の個数: 24

約数和(自身を含む): 45130176

約数和(自身を除く): 23897116

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 12791, 25582, 51164, 63955, 127910, 255820, 1061653, 2123306, 4246612, 5308265, 10616530, 21233060]

約数ペア:

[(1, 21233060), (2, 10616530), (4, 5308265), (5, 4246612), (10, 2123306), (20, 1061653), (83, 255820), (166, 127910), (332, 63955), (415, 51164), (830, 25582), (1660, 12791)]