21284916

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{47939}}^1$

素因数の和:47983

約数の個数: 24

約数和(自身を含む): 51008160

約数和(自身を除く): 29723244

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 444, 47939, 95878, 143817, 191756, 287634, 575268, 1773743, 3547486, 5321229, 7094972, 10642458, 21284916]

約数ペア:

[(1, 21284916), (2, 10642458), (3, 7094972), (4, 5321229), (6, 3547486), (12, 1773743), (37, 575268), (74, 287634), (111, 191756), (148, 143817), (222, 95878), (444, 47939)]