21989288

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{941}}^1$

素因数の和:1097

約数の個数: 32

約数和(自身を含む): 43407360

約数和(自身を除く): 21418072

約数列:

[1, 2, 4, 8, 23, 46, 92, 127, 184, 254, 508, 941, 1016, 1882, 2921, 3764, 5842, 7528, 11684, 21643, 23368, 43286, 86572, 119507, 173144, 239014, 478028, 956056, 2748661, 5497322, 10994644, 21989288]

約数ペア:

[(1, 21989288), (2, 10994644), (4, 5497322), (8, 2748661), (23, 956056), (46, 478028), (92, 239014), (127, 173144), (184, 119507), (254, 86572), (508, 43286), (941, 23368), (1016, 21643), (1882, 11684), (2921, 7528), (3764, 5842)]