21556808

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29611}}^1$

素因数の和:29637

約数の個数: 32

約数和(自身を含む): 49748160

約数和(自身を除く): 28191352

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 29611, 59222, 118444, 207277, 236888, 384943, 414554, 769886, 829108, 1539772, 1658216, 2694601, 3079544, 5389202, 10778404, 21556808]

約数ペア:

[(1, 21556808), (2, 10778404), (4, 5389202), (7, 3079544), (8, 2694601), (13, 1658216), (14, 1539772), (26, 829108), (28, 769886), (52, 414554), (56, 384943), (91, 236888), (104, 207277), (182, 118444), (364, 59222), (728, 29611)]