21734766

素因数分解:

$2^1\times 3^2\times {\mathrm{157}}^1\times {\mathrm{7691}}^1$

素因数の和:7856

約数の個数: 24

約数和(自身を含む): 47398104

約数和(自身を除く): 25663338

約数列:

[1, 2, 3, 6, 9, 18, 157, 314, 471, 942, 1413, 2826, 7691, 15382, 23073, 46146, 69219, 138438, 1207487, 2414974, 3622461, 7244922, 10867383, 21734766]

約数ペア:

[(1, 21734766), (2, 10867383), (3, 7244922), (6, 3622461), (9, 2414974), (18, 1207487), (157, 138438), (314, 69219), (471, 46146), (942, 23073), (1413, 15382), (2826, 7691)]