21568106

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{19501}}^1$

素因数の和:19589

約数の個数: 16

約数和(自身を含む): 37443840

約数和(自身を除く): 15875734

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 19501, 39002, 136507, 273014, 1540579, 3081158, 10784053, 21568106]

約数ペア:

[(1, 21568106), (2, 10784053), (7, 3081158), (14, 1540579), (79, 273014), (158, 136507), (553, 39002), (1106, 19501)]