21392568

素因数分解:

$2^3\times 3^2\times {\mathrm{79}}^1\times {\mathrm{3761}}^1$

素因数の和:3852

約数の個数: 48

約数和(自身を含む): 58687200

約数和(自身を除く): 37294632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 79, 158, 237, 316, 474, 632, 711, 948, 1422, 1896, 2844, 3761, 5688, 7522, 11283, 15044, 22566, 30088, 33849, 45132, 67698, 90264, 135396, 270792, 297119, 594238, 891357, 1188476, 1782714, 2376952, 2674071, 3565428, 5348142, 7130856, 10696284, 21392568]

約数ペア:

[(1, 21392568), (2, 10696284), (3, 7130856), (4, 5348142), (6, 3565428), (8, 2674071), (9, 2376952), (12, 1782714), (18, 1188476), (24, 891357), (36, 594238), (72, 297119), (79, 270792), (158, 135396), (237, 90264), (316, 67698), (474, 45132), (632, 33849), (711, 30088), (948, 22566), (1422, 15044), (1896, 11283), (2844, 7522), (3761, 5688)]