21479463

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:451

約数の個数: 24

約数和(自身を含む): 31824000

約数和(自身を除く): 10344537

約数列:

[1, 3, 9, 67, 179, 199, 201, 537, 597, 603, 1611, 1791, 11993, 13333, 35621, 35979, 39999, 106863, 107937, 119997, 320589, 2386607, 7159821, 21479463]

約数ペア:

[(1, 21479463), (3, 7159821), (9, 2386607), (67, 320589), (179, 119997), (199, 107937), (201, 106863), (537, 39999), (597, 35979), (603, 35621), (1611, 13333), (1791, 11993)]