21259260

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1193}}^1$

素因数の和:1225

約数の個数: 120

約数和(自身を含む): 72814896

約数和(自身を除く): 51555636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 132, 135, 162, 165, 180, 198, 220, 270, 297, 324, 330, 396, 405, 495, 540, 594, 660, 810, 891, 990, 1188, 1193, 1485, 1620, 1782, 1980, 2386, 2970, 3564, 3579, 4455, 4772, 5940, 5965, 7158, 8910, 10737, 11930, 13123, 14316, 17820, 17895, 21474, 23860, 26246, 32211, 35790, 39369, 42948, 52492, 53685, 64422, 65615, 71580, 78738, 96633, 107370, 118107, 128844, 131230, 157476, 161055, 193266, 196845, 214740, 236214, 262460, 322110, 354321, 386532, 393690, 472428, 483165, 590535, 644220, 708642, 787380, 966330, 1062963, 1181070, 1417284, 1771605, 1932660, 2125926, 2362140, 3543210, 4251852, 5314815, 7086420, 10629630, 21259260]

約数ペア:

[(1, 21259260), (2, 10629630), (3, 7086420), (4, 5314815), (5, 4251852), (6, 3543210), (9, 2362140), (10, 2125926), (11, 1932660), (12, 1771605), (15, 1417284), (18, 1181070), (20, 1062963), (22, 966330), (27, 787380), (30, 708642), (33, 644220), (36, 590535), (44, 483165), (45, 472428), (54, 393690), (55, 386532), (60, 354321), (66, 322110), (81, 262460), (90, 236214), (99, 214740), (108, 196845), (110, 193266), (132, 161055), (135, 157476), (162, 131230), (165, 128844), (180, 118107), (198, 107370), (220, 96633), (270, 78738), (297, 71580), (324, 65615), (330, 64422), (396, 53685), (405, 52492), (495, 42948), (540, 39369), (594, 35790), (660, 32211), (810, 26246), (891, 23860), (990, 21474), (1188, 17895), (1193, 17820), (1485, 14316), (1620, 13123), (1782, 11930), (1980, 10737), (2386, 8910), (2970, 7158), (3564, 5965), (3579, 5940), (4455, 4772)]