21886555

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{827}}^1$

素因数の和:978

約数の個数: 16

約数和(自身を含む): 27025920

約数和(自身を除く): 5139365

約数列:

[1, 5, 67, 79, 335, 395, 827, 4135, 5293, 26465, 55409, 65333, 277045, 326665, 4377311, 21886555]

約数ペア:

[(1, 21886555), (5, 4377311), (67, 326665), (79, 277045), (335, 65333), (395, 55409), (827, 26465), (4135, 5293)]