21498608

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{79039}}^1$

素因数の和:79064

約数の個数: 20

約数和(自身を含む): 44104320

約数和(自身を除く): 22605712

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 79039, 158078, 316156, 632312, 1264624, 1343663, 2687326, 5374652, 10749304, 21498608]

約数ペア:

[(1, 21498608), (2, 10749304), (4, 5374652), (8, 2687326), (16, 1343663), (17, 1264624), (34, 632312), (68, 316156), (136, 158078), (272, 79039)]