21754138

素因数分解:

$2^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{4723}}^1$

素因数の和:4786

約数の個数: 24

約数和(自身を含む): 38774592

約数和(自身を除く): 17020454

約数列:

[1, 2, 7, 14, 47, 49, 94, 98, 329, 658, 2303, 4606, 4723, 9446, 33061, 66122, 221981, 231427, 443962, 462854, 1553867, 3107734, 10877069, 21754138]

約数ペア:

[(1, 21754138), (2, 10877069), (7, 3107734), (14, 1553867), (47, 462854), (49, 443962), (94, 231427), (98, 221981), (329, 66122), (658, 33061), (2303, 9446), (4606, 4723)]