16821340

素因数分解:

$2^2\times 5^1\times {\mathrm{467}}^1\times {\mathrm{1801}}^1$

素因数の和:2277

約数の個数: 24

約数和(自身を含む): 35420112

約数和(自身を除く): 18598772

約数列:

[1, 2, 4, 5, 10, 20, 467, 934, 1801, 1868, 2335, 3602, 4670, 7204, 9005, 9340, 18010, 36020, 841067, 1682134, 3364268, 4205335, 8410670, 16821340]

約数ペア:

[(1, 16821340), (2, 8410670), (4, 4205335), (5, 3364268), (10, 1682134), (20, 841067), (467, 36020), (934, 18010), (1801, 9340), (1868, 9005), (2335, 7204), (3602, 4670)]