21840072

素因数分解:

$2^3\times 3^1\times {\mathrm{910003}}^1$

素因数の和:910012

約数の個数: 16

約数和(自身を含む): 54600240

約数和(自身を除く): 32760168

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 910003, 1820006, 2730009, 3640012, 5460018, 7280024, 10920036, 21840072]

約数ペア:

[(1, 21840072), (2, 10920036), (3, 7280024), (4, 5460018), (6, 3640012), (8, 2730009), (12, 1820006), (24, 910003)]