21917143

素因数分解:

${\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:318

約数の個数: 16

約数和(自身を含む): 23379840

約数和(自身を除く): 1462697

約数列:

[1, 43, 53, 59, 163, 2279, 2537, 3127, 7009, 8639, 9617, 134461, 371477, 413531, 509701, 21917143]

約数ペア:

[(1, 21917143), (43, 509701), (53, 413531), (59, 371477), (163, 134461), (2279, 9617), (2537, 8639), (3127, 7009)]