21216792

素因数分解:

$2^3\times 3^1\times {\mathrm{83}}^1\times {\mathrm{10651}}^1$

素因数の和:10743

約数の個数: 32

約数和(自身を含む): 53686080

約数和(自身を除く): 32469288

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 83, 166, 249, 332, 498, 664, 996, 1992, 10651, 21302, 31953, 42604, 63906, 85208, 127812, 255624, 884033, 1768066, 2652099, 3536132, 5304198, 7072264, 10608396, 21216792]

約数ペア:

[(1, 21216792), (2, 10608396), (3, 7072264), (4, 5304198), (6, 3536132), (8, 2652099), (12, 1768066), (24, 884033), (83, 255624), (166, 127812), (249, 85208), (332, 63906), (498, 42604), (664, 31953), (996, 21302), (1992, 10651)]