21514654

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{11731}}^1$

素因数の和:11871

約数の個数: 16

約数和(自身を含む): 37166976

約数和(自身を除く): 15652322

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 11731, 23462, 82117, 164234, 1536761, 3073522, 10757327, 21514654]

約数ペア:

[(1, 21514654), (2, 10757327), (7, 3073522), (14, 1536761), (131, 164234), (262, 82117), (917, 23462), (1834, 11731)]