21910966

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1801}}^1$

素因数の和:1900

約数の個数: 32

約数和(自身を含む): 41518080

約数和(自身を除く): 19607114

約数列:

[1, 2, 7, 11, 14, 22, 77, 79, 154, 158, 553, 869, 1106, 1738, 1801, 3602, 6083, 12166, 12607, 19811, 25214, 39622, 138677, 142279, 277354, 284558, 995953, 1565069, 1991906, 3130138, 10955483, 21910966]

約数ペア:

[(1, 21910966), (2, 10955483), (7, 3130138), (11, 1991906), (14, 1565069), (22, 995953), (77, 284558), (79, 277354), (154, 142279), (158, 138677), (553, 39622), (869, 25214), (1106, 19811), (1738, 12607), (1801, 12166), (3602, 6083)]