21971991615

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{12309239}}^1$

素因数の和:12309271

約数の個数: 32

約数和(自身を含む): 42540733440

約数和(自身を除く): 20568741825

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 12309239, 36927717, 61546195, 86164673, 184638585, 209257063, 258494019, 430823365, 627771189, 1046285315, 1292470095, 1464799441, 3138855945, 4394398323, 7323997205, 21971991615]

約数ペア:

[(1, 21971991615), (3, 7323997205), (5, 4394398323), (7, 3138855945), (15, 1464799441), (17, 1292470095), (21, 1046285315), (35, 627771189), (51, 430823365), (85, 258494019), (105, 209257063), (119, 184638585), (255, 86164673), (357, 61546195), (595, 36927717), (1785, 12309239)]