21260040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{177167}}^1$

素因数の和:177181

約数の個数: 32

約数和(自身を含む): 63780480

約数和(自身を除く): 42520440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 177167, 354334, 531501, 708668, 885835, 1063002, 1417336, 1771670, 2126004, 2657505, 3543340, 4252008, 5315010, 7086680, 10630020, 21260040]

約数ペア:

[(1, 21260040), (2, 10630020), (3, 7086680), (4, 5315010), (5, 4252008), (6, 3543340), (8, 2657505), (10, 2126004), (12, 1771670), (15, 1417336), (20, 1063002), (24, 885835), (30, 708668), (40, 531501), (60, 354334), (120, 177167)]