21090600

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11717}}^1$

素因数の和:11739

約数の個数: 72

約数和(自身を含む): 70835310

約数和(自身を除く): 49744710

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 11717, 23434, 35151, 46868, 58585, 70302, 93736, 105453, 117170, 140604, 175755, 210906, 234340, 281208, 292925, 351510, 421812, 468680, 527265, 585850, 703020, 843624, 878775, 1054530, 1171700, 1406040, 1757550, 2109060, 2343400, 2636325, 3515100, 4218120, 5272650, 7030200, 10545300, 21090600]

約数ペア:

[(1, 21090600), (2, 10545300), (3, 7030200), (4, 5272650), (5, 4218120), (6, 3515100), (8, 2636325), (9, 2343400), (10, 2109060), (12, 1757550), (15, 1406040), (18, 1171700), (20, 1054530), (24, 878775), (25, 843624), (30, 703020), (36, 585850), (40, 527265), (45, 468680), (50, 421812), (60, 351510), (72, 292925), (75, 281208), (90, 234340), (100, 210906), (120, 175755), (150, 140604), (180, 117170), (200, 105453), (225, 93736), (300, 70302), (360, 58585), (450, 46868), (600, 35151), (900, 23434), (1800, 11717)]