21840144

素因数分解:

$2^4\times 3^1\times {\mathrm{455003}}^1$

素因数の和:455014

約数の個数: 20

約数和(自身を含む): 56420496

約数和(自身を除く): 34580352

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 455003, 910006, 1365009, 1820012, 2730018, 3640024, 5460036, 7280048, 10920072, 21840144]

約数ペア:

[(1, 21840144), (2, 10920072), (3, 7280048), (4, 5460036), (6, 3640024), (8, 2730018), (12, 1820012), (16, 1365009), (24, 910006), (48, 455003)]