21728104

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{30517}}^1$

素因数の和:30612

約数の個数: 16

約数和(自身を含む): 41199300

約数和(自身を除く): 19471196

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 30517, 61034, 122068, 244136, 2716013, 5432026, 10864052, 21728104]

約数ペア:

[(1, 21728104), (2, 10864052), (4, 5432026), (8, 2716013), (89, 244136), (178, 122068), (356, 61034), (712, 30517)]