21313402

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50989}}^1$

素因数の和:51021

約数の個数: 16

約数和(自身を含む): 36712800

約数和(自身を除く): 15399398

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 50989, 101978, 560879, 968791, 1121758, 1937582, 10656701, 21313402]

約数ペア:

[(1, 21313402), (2, 10656701), (11, 1937582), (19, 1121758), (22, 968791), (38, 560879), (209, 101978), (418, 50989)]