21426804

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{85027}}^1$

素因数の和:85044

約数の個数: 36

約数和(自身を含む): 61900384

約数和(自身を除く): 40473580

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 85027, 170054, 255081, 340108, 510162, 595189, 765243, 1020324, 1190378, 1530486, 1785567, 2380756, 3060972, 3571134, 5356701, 7142268, 10713402, 21426804]

約数ペア:

[(1, 21426804), (2, 10713402), (3, 7142268), (4, 5356701), (6, 3571134), (7, 3060972), (9, 2380756), (12, 1785567), (14, 1530486), (18, 1190378), (21, 1020324), (28, 765243), (36, 595189), (42, 510162), (63, 340108), (84, 255081), (126, 170054), (252, 85027)]