21071844

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{4211}}^1$

素因数の和:4360

約数の個数: 36

約数和(自身を含む): 53660880

約数和(自身を除く): 32589036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 4211, 5004, 8422, 12633, 16844, 25266, 37899, 50532, 75798, 151596, 585329, 1170658, 1755987, 2341316, 3511974, 5267961, 7023948, 10535922, 21071844]

約数ペア:

[(1, 21071844), (2, 10535922), (3, 7023948), (4, 5267961), (6, 3511974), (9, 2341316), (12, 1755987), (18, 1170658), (36, 585329), (139, 151596), (278, 75798), (417, 50532), (556, 37899), (834, 25266), (1251, 16844), (1668, 12633), (2502, 8422), (4211, 5004)]