21605454

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{10259}}^1$

素因数の和:10286

約数の個数: 40

約数和(自身を含む): 52141320

約数和(自身を除く): 30535866

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 10259, 20518, 30777, 61554, 92331, 133367, 184662, 266734, 276993, 400101, 553986, 800202, 830979, 1200303, 1661958, 2400606, 3600909, 7201818, 10802727, 21605454]

約数ペア:

[(1, 21605454), (2, 10802727), (3, 7201818), (6, 3600909), (9, 2400606), (13, 1661958), (18, 1200303), (26, 830979), (27, 800202), (39, 553986), (54, 400101), (78, 276993), (81, 266734), (117, 184662), (162, 133367), (234, 92331), (351, 61554), (702, 30777), (1053, 20518), (2106, 10259)]