21239964

素因数分解:

$2^2\times 3^2\times {\mathrm{191}}^1\times {\mathrm{3089}}^1$

素因数の和:3290

約数の個数: 36

約数和(自身を含む): 53988480

約数和(自身を除く): 32748516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 191, 382, 573, 764, 1146, 1719, 2292, 3089, 3438, 6178, 6876, 9267, 12356, 18534, 27801, 37068, 55602, 111204, 589999, 1179998, 1769997, 2359996, 3539994, 5309991, 7079988, 10619982, 21239964]

約数ペア:

[(1, 21239964), (2, 10619982), (3, 7079988), (4, 5309991), (6, 3539994), (9, 2359996), (12, 1769997), (18, 1179998), (36, 589999), (191, 111204), (382, 55602), (573, 37068), (764, 27801), (1146, 18534), (1719, 12356), (2292, 9267), (3089, 6876), (3438, 6178)]