21439116

素因数分解:

$2^2\times 3^2\times {\mathrm{197}}^1\times {\mathrm{3023}}^1$

素因数の和:3230

約数の個数: 36

約数和(自身を含む): 54486432

約数和(自身を除く): 33047316

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 197, 394, 591, 788, 1182, 1773, 2364, 3023, 3546, 6046, 7092, 9069, 12092, 18138, 27207, 36276, 54414, 108828, 595531, 1191062, 1786593, 2382124, 3573186, 5359779, 7146372, 10719558, 21439116]

約数ペア:

[(1, 21439116), (2, 10719558), (3, 7146372), (4, 5359779), (6, 3573186), (9, 2382124), (12, 1786593), (18, 1191062), (36, 595531), (197, 108828), (394, 54414), (591, 36276), (788, 27207), (1182, 18138), (1773, 12092), (2364, 9069), (3023, 7092), (3546, 6046)]