21019570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{14699}}^1$

素因数の和:14730

約数の個数: 32

約数和(自身を含む): 44452800

約数和(自身を除く): 23433230

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 14699, 29398, 73495, 146990, 161689, 191087, 323378, 382174, 808445, 955435, 1616890, 1910870, 2101957, 4203914, 10509785, 21019570]

約数ペア:

[(1, 21019570), (2, 10509785), (5, 4203914), (10, 2101957), (11, 1910870), (13, 1616890), (22, 955435), (26, 808445), (55, 382174), (65, 323378), (110, 191087), (130, 161689), (143, 146990), (286, 73495), (715, 29398), (1430, 14699)]