21669616

素因数分解:

$2^4\times {\mathrm{313}}^1\times {\mathrm{4327}}^1$

素因数の和:4648

約数の個数: 20

約数和(自身を含む): 42128752

約数和(自身を除く): 20459136

約数列:

[1, 2, 4, 8, 16, 313, 626, 1252, 2504, 4327, 5008, 8654, 17308, 34616, 69232, 1354351, 2708702, 5417404, 10834808, 21669616]

約数ペア:

[(1, 21669616), (2, 10834808), (4, 5417404), (8, 2708702), (16, 1354351), (313, 69232), (626, 34616), (1252, 17308), (2504, 8654), (4327, 5008)]