21369328

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{22637}}^1$

素因数の和:22704

約数の個数: 20

約数和(自身を含む): 42106680

約数和(自身を除く): 20737352

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 22637, 45274, 90548, 181096, 362192, 1335583, 2671166, 5342332, 10684664, 21369328]

約数ペア:

[(1, 21369328), (2, 10684664), (4, 5342332), (8, 2671166), (16, 1335583), (59, 362192), (118, 181096), (236, 90548), (472, 45274), (944, 22637)]