21753240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{181277}}^1$

素因数の和:181291

約数の個数: 32

約数和(自身を含む): 65260080

約数和(自身を除く): 43506840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 181277, 362554, 543831, 725108, 906385, 1087662, 1450216, 1812770, 2175324, 2719155, 3625540, 4350648, 5438310, 7251080, 10876620, 21753240]

約数ペア:

[(1, 21753240), (2, 10876620), (3, 7251080), (4, 5438310), (5, 4350648), (6, 3625540), (8, 2719155), (10, 2175324), (12, 1812770), (15, 1450216), (20, 1087662), (24, 906385), (30, 725108), (40, 543831), (60, 362554), (120, 181277)]