21294918

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{51437}}^1$

素因数の和:51468

約数の個数: 24

約数和(自身を含む): 48145968

約数和(自身を除く): 26851050

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 51437, 102874, 154311, 308622, 462933, 925866, 1183051, 2366102, 3549153, 7098306, 10647459, 21294918]

約数ペア:

[(1, 21294918), (2, 10647459), (3, 7098306), (6, 3549153), (9, 2366102), (18, 1183051), (23, 925866), (46, 462933), (69, 308622), (138, 154311), (207, 102874), (414, 51437)]