21039228

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11927}}^1$

素因数の和:11951

約数の個数: 54

約数和(自身を含む): 61870536

約数和(自身を除く): 40831308

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 11927, 23854, 35781, 47708, 71562, 83489, 107343, 143124, 166978, 214686, 250467, 333956, 429372, 500934, 584423, 751401, 1001868, 1168846, 1502802, 1753269, 2337692, 3005604, 3506538, 5259807, 7013076, 10519614, 21039228]

約数ペア:

[(1, 21039228), (2, 10519614), (3, 7013076), (4, 5259807), (6, 3506538), (7, 3005604), (9, 2337692), (12, 1753269), (14, 1502802), (18, 1168846), (21, 1001868), (28, 751401), (36, 584423), (42, 500934), (49, 429372), (63, 333956), (84, 250467), (98, 214686), (126, 166978), (147, 143124), (196, 107343), (252, 83489), (294, 71562), (441, 47708), (588, 35781), (882, 23854), (1764, 11927)]