21854286

素因数分解:

$2^1\times 3^4\times {\mathrm{313}}^1\times {\mathrm{431}}^1$

素因数の和:758

約数の個数: 40

約数和(自身を含む): 49240224

約数和(自身を除く): 27385938

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 313, 431, 626, 862, 939, 1293, 1878, 2586, 2817, 3879, 5634, 7758, 8451, 11637, 16902, 23274, 25353, 34911, 50706, 69822, 134903, 269806, 404709, 809418, 1214127, 2428254, 3642381, 7284762, 10927143, 21854286]

約数ペア:

[(1, 21854286), (2, 10927143), (3, 7284762), (6, 3642381), (9, 2428254), (18, 1214127), (27, 809418), (54, 404709), (81, 269806), (162, 134903), (313, 69822), (431, 50706), (626, 34911), (862, 25353), (939, 23274), (1293, 16902), (1878, 11637), (2586, 8451), (2817, 7758), (3879, 5634)]