21799155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7159}}^1$

素因数の和:7203

約数の個数: 32

約数和(自身を含む): 41241600

約数和(自身を除く): 19442445

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 1015, 3045, 7159, 21477, 35795, 50113, 107385, 150339, 207611, 250565, 622833, 751695, 1038055, 1453277, 3114165, 4359831, 7266385, 21799155]

約数ペア:

[(1, 21799155), (3, 7266385), (5, 4359831), (7, 3114165), (15, 1453277), (21, 1038055), (29, 751695), (35, 622833), (87, 250565), (105, 207611), (145, 150339), (203, 107385), (435, 50113), (609, 35795), (1015, 21477), (3045, 7159)]