21957806

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{44449}}^1$

素因数の和:44483

約数の個数: 16

約数和(自身を含む): 37338000

約数和(自身を除く): 15380194

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 44449, 88898, 577837, 844531, 1155674, 1689062, 10978903, 21957806]

約数ペア:

[(1, 21957806), (2, 10978903), (13, 1689062), (19, 1155674), (26, 844531), (38, 577837), (247, 88898), (494, 44449)]