21635360

素因数分解:

$2^5\times 5^1\times {\mathrm{135221}}^1$

素因数の和:135236

約数の個数: 24

約数和(自身を含む): 51113916

約数和(自身を除く): 29478556

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 135221, 270442, 540884, 676105, 1081768, 1352210, 2163536, 2704420, 4327072, 5408840, 10817680, 21635360]

約数ペア:

[(1, 21635360), (2, 10817680), (4, 5408840), (5, 4327072), (8, 2704420), (10, 2163536), (16, 1352210), (20, 1081768), (32, 676105), (40, 540884), (80, 270442), (160, 135221)]