21730268

素因数分解:

$2^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{3389}}^1$

素因数の和:3629

約数の個数: 24

約数和(自身を含む): 43663200

約数和(自身を除く): 21932932

約数列:

[1, 2, 4, 7, 14, 28, 229, 458, 916, 1603, 3206, 3389, 6412, 6778, 13556, 23723, 47446, 94892, 776081, 1552162, 3104324, 5432567, 10865134, 21730268]

約数ペア:

[(1, 21730268), (2, 10865134), (4, 5432567), (7, 3104324), (14, 1552162), (28, 776081), (229, 94892), (458, 47446), (916, 23723), (1603, 13556), (3206, 6778), (3389, 6412)]