21440700

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{2647}}^1$

素因数の和:2673

約数の個数: 90

約数和(自身を含む): 69528536

約数和(自身を除く): 48087836

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2647, 2700, 4050, 5294, 7941, 8100, 10588, 13235, 15882, 23823, 26470, 31764, 39705, 47646, 52940, 66175, 71469, 79410, 95292, 119115, 132350, 142938, 158820, 198525, 214407, 238230, 264700, 285876, 357345, 397050, 428814, 476460, 595575, 714690, 794100, 857628, 1072035, 1191150, 1429380, 1786725, 2144070, 2382300, 3573450, 4288140, 5360175, 7146900, 10720350, 21440700]

約数ペア:

[(1, 21440700), (2, 10720350), (3, 7146900), (4, 5360175), (5, 4288140), (6, 3573450), (9, 2382300), (10, 2144070), (12, 1786725), (15, 1429380), (18, 1191150), (20, 1072035), (25, 857628), (27, 794100), (30, 714690), (36, 595575), (45, 476460), (50, 428814), (54, 397050), (60, 357345), (75, 285876), (81, 264700), (90, 238230), (100, 214407), (108, 198525), (135, 158820), (150, 142938), (162, 132350), (180, 119115), (225, 95292), (270, 79410), (300, 71469), (324, 66175), (405, 52940), (450, 47646), (540, 39705), (675, 31764), (810, 26470), (900, 23823), (1350, 15882), (1620, 13235), (2025, 10588), (2647, 8100), (2700, 7941), (4050, 5294)]