21321870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{8563}}^1$

素因数の和:8656

約数の個数: 32

約数和(自身を含む): 51795072

約数和(自身を除く): 30473202

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 249, 415, 498, 830, 1245, 2490, 8563, 17126, 25689, 42815, 51378, 85630, 128445, 256890, 710729, 1421458, 2132187, 3553645, 4264374, 7107290, 10660935, 21321870]

約数ペア:

[(1, 21321870), (2, 10660935), (3, 7107290), (5, 4264374), (6, 3553645), (10, 2132187), (15, 1421458), (30, 710729), (83, 256890), (166, 128445), (249, 85630), (415, 51378), (498, 42815), (830, 25689), (1245, 17126), (2490, 8563)]