21578934

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^3\times {\mathrm{1637}}^1$

素因数の和:1681

約数の個数: 32

約数和(自身を含む): 46781280

約数和(自身を除く): 25202346

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 1637, 2197, 3274, 4394, 4911, 6591, 9822, 13182, 21281, 42562, 63843, 127686, 276653, 553306, 829959, 1659918, 3596489, 7192978, 10789467, 21578934]

約数ペア:

[(1, 21578934), (2, 10789467), (3, 7192978), (6, 3596489), (13, 1659918), (26, 829959), (39, 553306), (78, 276653), (169, 127686), (338, 63843), (507, 42562), (1014, 21281), (1637, 13182), (2197, 9822), (3274, 6591), (4394, 4911)]