21631822

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{1117}}^1$

素因数の和:1563

約数の個数: 16

約数和(自身を含む): 33969312

約数和(自身を除く): 12337490

約数列:

[1, 2, 23, 46, 421, 842, 1117, 2234, 9683, 19366, 25691, 51382, 470257, 940514, 10815911, 21631822]

約数ペア:

[(1, 21631822), (2, 10815911), (23, 940514), (46, 470257), (421, 51382), (842, 25691), (1117, 19366), (2234, 9683)]