21075707085

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{1026331}}^1$

素因数の和:1026413

約数の個数: 24

約数和(自身を含む): 34657178976

約数和(自身を除く): 13581471891

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 1369, 4107, 6845, 20535, 1026331, 3078993, 5131655, 15394965, 37974247, 113922741, 189871235, 569613705, 1405047139, 4215141417, 7025235695, 21075707085]

約数ペア:

[(1, 21075707085), (3, 7025235695), (5, 4215141417), (15, 1405047139), (37, 569613705), (111, 189871235), (185, 113922741), (555, 37974247), (1369, 15394965), (4107, 5131655), (6845, 3078993), (20535, 1026331)]