21797090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2377}}^1$

素因数の和:2522

約数の個数: 32

約数和(自身を含む): 45201024

約数和(自身を除く): 23403934

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 131, 262, 655, 917, 1310, 1834, 2377, 4585, 4754, 9170, 11885, 16639, 23770, 33278, 83195, 166390, 311387, 622774, 1556935, 2179709, 3113870, 4359418, 10898545, 21797090]

約数ペア:

[(1, 21797090), (2, 10898545), (5, 4359418), (7, 3113870), (10, 2179709), (14, 1556935), (35, 622774), (70, 311387), (131, 166390), (262, 83195), (655, 33278), (917, 23770), (1310, 16639), (1834, 11885), (2377, 9170), (4585, 4754)]