21702783160

素因数分解:

$2^3\times 5^1\times {\mathrm{542569579}}^1$

素因数の和:542569590

約数の個数: 16

約数和(自身を含む): 48831262200

約数和(自身を除く): 27128479040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 542569579, 1085139158, 2170278316, 2712847895, 4340556632, 5425695790, 10851391580, 21702783160]

約数ペア:

[(1, 21702783160), (2, 10851391580), (4, 5425695790), (5, 4340556632), (8, 2712847895), (10, 2170278316), (20, 1085139158), (40, 542569579)]