21434578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{593}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 36951552

約数和(自身を除く): 15516974

約数列:

[1, 2, 11, 22, 31, 53, 62, 106, 341, 583, 593, 682, 1166, 1186, 1643, 3286, 6523, 13046, 18073, 18383, 31429, 36146, 36766, 62858, 202213, 345719, 404426, 691438, 974299, 1948598, 10717289, 21434578]

約数ペア:

[(1, 21434578), (2, 10717289), (11, 1948598), (22, 974299), (31, 691438), (53, 404426), (62, 345719), (106, 202213), (341, 62858), (583, 36766), (593, 36146), (682, 31429), (1166, 18383), (1186, 18073), (1643, 13046), (3286, 6523)]