21805158

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{1109}}^1$

素因数の和:1256

約数の個数: 32

約数和(自身を含む): 45554400

約数和(自身を除く): 23749242

約数列:

[1, 2, 3, 6, 29, 58, 87, 113, 174, 226, 339, 678, 1109, 2218, 3277, 3327, 6554, 6654, 9831, 19662, 32161, 64322, 96483, 125317, 192966, 250634, 375951, 751902, 3634193, 7268386, 10902579, 21805158]

約数ペア:

[(1, 21805158), (2, 10902579), (3, 7268386), (6, 3634193), (29, 751902), (58, 375951), (87, 250634), (113, 192966), (174, 125317), (226, 96483), (339, 64322), (678, 32161), (1109, 19662), (2218, 9831), (3277, 6654), (3327, 6554)]