21041787832

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{3853}}^1\times {\mathrm{52511}}^1$

素因数の和:56383

約数の個数: 32

約数和(自身を含む): 42500062080

約数和(自身を除く): 21458274248

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 3853, 7706, 15412, 30824, 50089, 52511, 100178, 105022, 200356, 210044, 400712, 420088, 682643, 1365286, 2730572, 5461144, 202324883, 404649766, 809299532, 1618599064, 2630223479, 5260446958, 10520893916, 21041787832]

約数ペア:

[(1, 21041787832), (2, 10520893916), (4, 5260446958), (8, 2630223479), (13, 1618599064), (26, 809299532), (52, 404649766), (104, 202324883), (3853, 5461144), (7706, 2730572), (15412, 1365286), (30824, 682643), (50089, 420088), (52511, 400712), (100178, 210044), (105022, 200356)]