21240048

素因数分解:

$2^4\times 3^1\times {\mathrm{442501}}^1$

素因数の和:442512

約数の個数: 20

約数和(自身を含む): 54870248

約数和(自身を除く): 33630200

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 442501, 885002, 1327503, 1770004, 2655006, 3540008, 5310012, 7080016, 10620024, 21240048]

約数ペア:

[(1, 21240048), (2, 10620024), (3, 7080016), (4, 5310012), (6, 3540008), (8, 2655006), (12, 1770004), (16, 1327503), (24, 885002), (48, 442501)]