21507216

素因数分解:

$2^4\times 3^1\times {\mathrm{448067}}^1$

素因数の和:448078

約数の個数: 20

約数和(自身を含む): 55560432

約数和(自身を除く): 34053216

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 448067, 896134, 1344201, 1792268, 2688402, 3584536, 5376804, 7169072, 10753608, 21507216]

約数ペア:

[(1, 21507216), (2, 10753608), (3, 7169072), (4, 5376804), (6, 3584536), (8, 2688402), (12, 1792268), (16, 1344201), (24, 896134), (48, 448067)]