21802384

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{6917}}^1$

素因数の和:7122

約数の個数: 20

約数和(自身を含む): 42462684

約数和(自身を除く): 20660300

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 6917, 13834, 27668, 55336, 110672, 1362649, 2725298, 5450596, 10901192, 21802384]

約数ペア:

[(1, 21802384), (2, 10901192), (4, 5450596), (8, 2725298), (16, 1362649), (197, 110672), (394, 55336), (788, 27668), (1576, 13834), (3152, 6917)]