21788674

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{577}}^1$

素因数の和:897

約数の個数: 16

約数和(自身を含む): 33292800

約数和(自身を除く): 11504126

約数列:

[1, 2, 79, 158, 239, 478, 577, 1154, 18881, 37762, 45583, 91166, 137903, 275806, 10894337, 21788674]

約数ペア:

[(1, 21788674), (2, 10894337), (79, 275806), (158, 137903), (239, 91166), (478, 45583), (577, 37762), (1154, 18881)]