21997706

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{25169}}^1$

素因数の和:25213

約数の個数: 16

約数和(自身を含む): 36244800

約数和(自身を除く): 14247094

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 25169, 50338, 478211, 578887, 956422, 1157774, 10998853, 21997706]

約数ペア:

[(1, 21997706), (2, 10998853), (19, 1157774), (23, 956422), (38, 578887), (46, 478211), (437, 50338), (874, 25169)]