21405183216

素因数分解:

$2^4\times 3^1\times {\mathrm{445941317}}^1$

素因数の和:445941328

約数の個数: 20

約数和(自身を含む): 55296723432

約数和(自身を除く): 33891540216

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 445941317, 891882634, 1337823951, 1783765268, 2675647902, 3567530536, 5351295804, 7135061072, 10702591608, 21405183216]

約数ペア:

[(1, 21405183216), (2, 10702591608), (3, 7135061072), (4, 5351295804), (6, 3567530536), (8, 2675647902), (12, 1783765268), (16, 1337823951), (24, 891882634), (48, 445941317)]