21913686

素因数分解:

$2^1\times 3^3\times {\mathrm{263}}^1\times {\mathrm{1543}}^1$

素因数の和:1817

約数の個数: 32

約数和(自身を含む): 48913920

約数和(自身を除く): 27000234

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 263, 526, 789, 1543, 1578, 2367, 3086, 4629, 4734, 7101, 9258, 13887, 14202, 27774, 41661, 83322, 405809, 811618, 1217427, 2434854, 3652281, 7304562, 10956843, 21913686]

約数ペア:

[(1, 21913686), (2, 10956843), (3, 7304562), (6, 3652281), (9, 2434854), (18, 1217427), (27, 811618), (54, 405809), (263, 83322), (526, 41661), (789, 27774), (1543, 14202), (1578, 13887), (2367, 9258), (3086, 7101), (4629, 4734)]