21071708

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{9067}}^1$

素因数の和:9161

約数の個数: 24

約数和(自身を含む): 42655872

約数和(自身を除く): 21584164

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 332, 581, 1162, 2324, 9067, 18134, 36268, 63469, 126938, 253876, 752561, 1505122, 3010244, 5267927, 10535854, 21071708]

約数ペア:

[(1, 21071708), (2, 10535854), (4, 5267927), (7, 3010244), (14, 1505122), (28, 752561), (83, 253876), (166, 126938), (332, 63469), (581, 36268), (1162, 18134), (2324, 9067)]