21825070

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{20023}}^1$

素因数の和:20139

約数の個数: 16

約数和(自身を含む): 39647520

約数和(自身を除く): 17822450

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 20023, 40046, 100115, 200230, 2182507, 4365014, 10912535, 21825070]

約数ペア:

[(1, 21825070), (2, 10912535), (5, 4365014), (10, 2182507), (109, 200230), (218, 100115), (545, 40046), (1090, 20023)]