21310256

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{121081}}^1$

素因数の和:121100

約数の個数: 20

約数和(自身を含む): 45042504

約数和(自身を除く): 23732248

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 121081, 242162, 484324, 968648, 1331891, 1937296, 2663782, 5327564, 10655128, 21310256]

約数ペア:

[(1, 21310256), (2, 10655128), (4, 5327564), (8, 2663782), (11, 1937296), (16, 1331891), (22, 968648), (44, 484324), (88, 242162), (176, 121081)]