21125846

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{11519}}^1$

素因数の和:11659

約数の個数: 16

約数和(自身を含む): 36495360

約数和(自身を除く): 15369514

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 11519, 23038, 80633, 161266, 1508989, 3017978, 10562923, 21125846]

約数ペア:

[(1, 21125846), (2, 10562923), (7, 3017978), (14, 1508989), (131, 161266), (262, 80633), (917, 23038), (1834, 11519)]