21625395

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131063}}^1$

素因数の和:131082

約数の個数: 16

約数和(自身を含む): 37746432

約数和(自身を除く): 16121037

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 131063, 393189, 655315, 1441693, 1965945, 4325079, 7208465, 21625395]

約数ペア:

[(1, 21625395), (3, 7208465), (5, 4325079), (11, 1965945), (15, 1441693), (33, 655315), (55, 393189), (165, 131063)]