21953916

素因数分解:

$2^2\times 3^4\times {\mathrm{67759}}^1$

素因数の和:67775

約数の個数: 30

約数和(自身を含む): 57392720

約数和(自身を除く): 35438804

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 67759, 135518, 203277, 271036, 406554, 609831, 813108, 1219662, 1829493, 2439324, 3658986, 5488479, 7317972, 10976958, 21953916]

約数ペア:

[(1, 21953916), (2, 10976958), (3, 7317972), (4, 5488479), (6, 3658986), (9, 2439324), (12, 1829493), (18, 1219662), (27, 813108), (36, 609831), (54, 406554), (81, 271036), (108, 203277), (162, 135518), (324, 67759)]