21775323

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{661}}^1$

素因数の和:882

約数の個数: 16

約数和(自身を含む): 29657600

約数和(自身を除く): 7882277

約数列:

[1, 3, 79, 139, 237, 417, 661, 1983, 10981, 32943, 52219, 91879, 156657, 275637, 7258441, 21775323]

約数ペア:

[(1, 21775323), (3, 7258441), (79, 275637), (139, 156657), (237, 91879), (417, 52219), (661, 32943), (1983, 10981)]