21700036

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1597}}^1$

素因数の和:1723

約数の個数: 24

約数和(自身を含む): 39374720

約数和(自身を除く): 17674684

約数列:

[1, 2, 4, 43, 79, 86, 158, 172, 316, 1597, 3194, 3397, 6388, 6794, 13588, 68671, 126163, 137342, 252326, 274684, 504652, 5425009, 10850018, 21700036]

約数ペア:

[(1, 21700036), (2, 10850018), (4, 5425009), (43, 504652), (79, 274684), (86, 252326), (158, 137342), (172, 126163), (316, 68671), (1597, 13588), (3194, 6794), (3397, 6388)]