21550832

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{79231}}^1$

素因数の和:79256

約数の個数: 20

約数和(自身を含む): 44211456

約数和(自身を除く): 22660624

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 79231, 158462, 316924, 633848, 1267696, 1346927, 2693854, 5387708, 10775416, 21550832]

約数ペア:

[(1, 21550832), (2, 10775416), (4, 5387708), (8, 2693854), (16, 1346927), (17, 1267696), (34, 633848), (68, 316924), (136, 158462), (272, 79231)]