21586072

素因数分解:

$2^3\times {\mathrm{521}}^1\times {\mathrm{5179}}^1$

素因数の和:5706

約数の個数: 16

約数和(自身を含む): 40559400

約数和(自身を除く): 18973328

約数列:

[1, 2, 4, 8, 521, 1042, 2084, 4168, 5179, 10358, 20716, 41432, 2698259, 5396518, 10793036, 21586072]

約数ペア:

[(1, 21586072), (2, 10793036), (4, 5396518), (8, 2698259), (521, 41432), (1042, 20716), (2084, 10358), (4168, 5179)]