21801922

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{571}}^1\times {\mathrm{1123}}^1$

素因数の和:1713

約数の個数: 16

約数和(自身を含む): 34718112

約数和(自身を除く): 12916190

約数列:

[1, 2, 17, 34, 571, 1123, 1142, 2246, 9707, 19091, 19414, 38182, 641233, 1282466, 10900961, 21801922]

約数ペア:

[(1, 21801922), (2, 10900961), (17, 1282466), (34, 641233), (571, 38182), (1123, 19414), (1142, 19091), (2246, 9707)]