21872356

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{21613}}^1$

素因数の和:21651

約数の個数: 24

約数和(自身を含む): 43573824

約数和(自身を除く): 21701468

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 21613, 43226, 86452, 237743, 475486, 497099, 950972, 994198, 1988396, 5468089, 10936178, 21872356]

約数ペア:

[(1, 21872356), (2, 10936178), (4, 5468089), (11, 1988396), (22, 994198), (23, 950972), (44, 497099), (46, 475486), (92, 237743), (253, 86452), (506, 43226), (1012, 21613)]