21853315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{1583}}^1$

素因数の和:1850

約数の個数: 16

約数和(自身を含む): 28740096

約数和(自身を除く): 6886781

約数列:

[1, 5, 11, 55, 251, 1255, 1583, 2761, 7915, 13805, 17413, 87065, 397333, 1986665, 4370663, 21853315]

約数ペア:

[(1, 21853315), (5, 4370663), (11, 1986665), (55, 397333), (251, 87065), (1255, 17413), (1583, 13805), (2761, 7915)]