21122577

素因数分解:

$3^2\times 7^2\times {\mathrm{211}}^1\times {\mathrm{227}}^1$

素因数の和:458

約数の個数: 36

約数和(自身を含む): 35816976

約数和(自身を除く): 14694399

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 211, 227, 441, 633, 681, 1477, 1589, 1899, 2043, 4431, 4767, 10339, 11123, 13293, 14301, 31017, 33369, 47897, 93051, 100107, 143691, 335279, 431073, 1005837, 2346953, 3017511, 7040859, 21122577]

約数ペア:

[(1, 21122577), (3, 7040859), (7, 3017511), (9, 2346953), (21, 1005837), (49, 431073), (63, 335279), (147, 143691), (211, 100107), (227, 93051), (441, 47897), (633, 33369), (681, 31017), (1477, 14301), (1589, 13293), (1899, 11123), (2043, 10339), (4431, 4767)]