21435160

素因数分解:

$2^3\times 5^1\times {\mathrm{535879}}^1$

素因数の和:535890

約数の個数: 16

約数和(自身を含む): 48229200

約数和(自身を除く): 26794040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 535879, 1071758, 2143516, 2679395, 4287032, 5358790, 10717580, 21435160]

約数ペア:

[(1, 21435160), (2, 10717580), (4, 5358790), (5, 4287032), (8, 2679395), (10, 2143516), (20, 1071758), (40, 535879)]