21910850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{2593}}^1$

素因数の和:2631

約数の個数: 36

約数和(自身を含む): 44147286

約数和(自身を除く): 22236436

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 2593, 4225, 5186, 8450, 12965, 25930, 33709, 64825, 67418, 129650, 168545, 337090, 438217, 842725, 876434, 1685450, 2191085, 4382170, 10955425, 21910850]

約数ペア:

[(1, 21910850), (2, 10955425), (5, 4382170), (10, 2191085), (13, 1685450), (25, 876434), (26, 842725), (50, 438217), (65, 337090), (130, 168545), (169, 129650), (325, 67418), (338, 64825), (650, 33709), (845, 25930), (1690, 12965), (2593, 8450), (4225, 5186)]