21544461

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{13999}}^1$

素因数の和:14030

約数の個数: 20

約数和(自身を含む): 33880000

約数和(自身を除く): 12335539

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 13999, 41997, 125991, 265981, 377973, 797943, 1133919, 2393829, 7181487, 21544461]

約数ペア:

[(1, 21544461), (3, 7181487), (9, 2393829), (19, 1133919), (27, 797943), (57, 377973), (81, 265981), (171, 125991), (513, 41997), (1539, 13999)]