21183207

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{18059}}^1$

素因数の和:18102

約数の個数: 16

約数和(自身を含む): 31207680

約数和(自身を除く): 10024473

約数列:

[1, 3, 17, 23, 51, 69, 391, 1173, 18059, 54177, 307003, 415357, 921009, 1246071, 7061069, 21183207]

約数ペア:

[(1, 21183207), (3, 7061069), (17, 1246071), (23, 921009), (51, 415357), (69, 307003), (391, 54177), (1173, 18059)]