21552377

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{2477}}^1$

素因数の和:2608

約数の個数: 16

約数和(自身を含む): 27119232

約数和(自身を除く): 5566855

約数列:

[1, 7, 11, 77, 113, 791, 1243, 2477, 8701, 17339, 27247, 190729, 279901, 1959307, 3078911, 21552377]

約数ペア:

[(1, 21552377), (7, 3078911), (11, 1959307), (77, 279901), (113, 190729), (791, 27247), (1243, 17339), (2477, 8701)]