21312914

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{11621}}^1$

素因数の和:11761

約数の個数: 16

約数和(自身を含む): 36818496

約数和(自身を除く): 15505582

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 11621, 23242, 81347, 162694, 1522351, 3044702, 10656457, 21312914]

約数ペア:

[(1, 21312914), (2, 10656457), (7, 3044702), (14, 1522351), (131, 162694), (262, 81347), (917, 23242), (1834, 11621)]