21076278

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{541}}^1$

素因数の和:740

約数の個数: 32

約数和(自身を含む): 43498752

約数和(自身を除く): 22422474

約数列:

[1, 2, 3, 6, 43, 86, 129, 151, 258, 302, 453, 541, 906, 1082, 1623, 3246, 6493, 12986, 19479, 23263, 38958, 46526, 69789, 81691, 139578, 163382, 245073, 490146, 3512713, 7025426, 10538139, 21076278]

約数ペア:

[(1, 21076278), (2, 10538139), (3, 7025426), (6, 3512713), (43, 490146), (86, 245073), (129, 163382), (151, 139578), (258, 81691), (302, 69789), (453, 46526), (541, 38958), (906, 23263), (1082, 19479), (1623, 12986), (3246, 6493)]