21231666

素因数分解:

$2^1\times 3^3\times {\mathrm{569}}^1\times {\mathrm{691}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 47332800

約数和(自身を除く): 26101134

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 569, 691, 1138, 1382, 1707, 2073, 3414, 4146, 5121, 6219, 10242, 12438, 15363, 18657, 30726, 37314, 393179, 786358, 1179537, 2359074, 3538611, 7077222, 10615833, 21231666]

約数ペア:

[(1, 21231666), (2, 10615833), (3, 7077222), (6, 3538611), (9, 2359074), (18, 1179537), (27, 786358), (54, 393179), (569, 37314), (691, 30726), (1138, 18657), (1382, 15363), (1707, 12438), (2073, 10242), (3414, 6219), (4146, 5121)]