21167466509

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1\times {\mathrm{389}}^1\times {\mathrm{617}}^1$

素因数の和:1349

約数の個数: 32

約数和(自身を含む): 24942677760

約数和(自身を除く): 3775211251

約数列:

[1, 7, 43, 293, 301, 389, 617, 2051, 2723, 4319, 12599, 16727, 26531, 88193, 113977, 117089, 180781, 185717, 240013, 797839, 1265467, 1680091, 4901011, 7773583, 10320559, 34307077, 54415081, 70323809, 72243913, 492266663, 3023923787, 21167466509]

約数ペア:

[(1, 21167466509), (7, 3023923787), (43, 492266663), (293, 72243913), (301, 70323809), (389, 54415081), (617, 34307077), (2051, 10320559), (2723, 7773583), (4319, 4901011), (12599, 1680091), (16727, 1265467), (26531, 797839), (88193, 240013), (113977, 185717), (117089, 180781)]