21925120555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1\times {\mathrm{8867}}^1$

素因数の和:9343

約数の個数: 32

約数和(自身を含む): 28679112000

約数和(自身を除く): 6753991445

約数列:

[1, 5, 13, 65, 109, 349, 545, 1417, 1745, 4537, 7085, 8867, 22685, 38041, 44335, 115271, 190205, 494533, 576355, 966503, 2472665, 3094583, 4832515, 12564539, 15472915, 40229579, 62822695, 201147895, 337309547, 1686547735, 4385024111, 21925120555]

約数ペア:

[(1, 21925120555), (5, 4385024111), (13, 1686547735), (65, 337309547), (109, 201147895), (349, 62822695), (545, 40229579), (1417, 15472915), (1745, 12564539), (4537, 4832515), (7085, 3094583), (8867, 2472665), (22685, 966503), (38041, 576355), (44335, 494533), (115271, 190205)]