21309282

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{10861}}^1$

素因数の和:10978

約数の個数: 24

約数和(自身を含む): 46597980

約数和(自身を除く): 25288698

約数列:

[1, 2, 3, 6, 9, 18, 109, 218, 327, 654, 981, 1962, 10861, 21722, 32583, 65166, 97749, 195498, 1183849, 2367698, 3551547, 7103094, 10654641, 21309282]

約数ペア:

[(1, 21309282), (2, 10654641), (3, 7103094), (6, 3551547), (9, 2367698), (18, 1183849), (109, 195498), (218, 97749), (327, 65166), (654, 32583), (981, 21722), (1962, 10861)]