21139080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{176159}}^1$

素因数の和:176173

約数の個数: 32

約数和(自身を含む): 63417600

約数和(自身を除く): 42278520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 176159, 352318, 528477, 704636, 880795, 1056954, 1409272, 1761590, 2113908, 2642385, 3523180, 4227816, 5284770, 7046360, 10569540, 21139080]

約数ペア:

[(1, 21139080), (2, 10569540), (3, 7046360), (4, 5284770), (5, 4227816), (6, 3523180), (8, 2642385), (10, 2113908), (12, 1761590), (15, 1409272), (20, 1056954), (24, 880795), (30, 704636), (40, 528477), (60, 352318), (120, 176159)]