21201558

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{504799}}^1$

素因数の和:504811

約数の個数: 16

約数和(自身を含む): 48460800

約数和(自身を除く): 27259242

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 504799, 1009598, 1514397, 3028794, 3533593, 7067186, 10600779, 21201558]

約数ペア:

[(1, 21201558), (2, 10600779), (3, 7067186), (6, 3533593), (7, 3028794), (14, 1514397), (21, 1009598), (42, 504799)]