21908168

素因数分解:

$2^3\times {\mathrm{179}}^1\times {\mathrm{15299}}^1$

素因数の和:15484

約数の個数: 16

約数和(自身を含む): 41310000

約数和(自身を除く): 19401832

約数列:

[1, 2, 4, 8, 179, 358, 716, 1432, 15299, 30598, 61196, 122392, 2738521, 5477042, 10954084, 21908168]

約数ペア:

[(1, 21908168), (2, 10954084), (4, 5477042), (8, 2738521), (179, 122392), (358, 61196), (716, 30598), (1432, 15299)]