21136815

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{22367}}^1$

素因数の和:22388

約数の個数: 32

約数和(自身を含む): 42946560

約数和(自身を除く): 21809745

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 22367, 67101, 111835, 156569, 201303, 335505, 469707, 603909, 782845, 1006515, 1409121, 2348535, 3019545, 4227363, 7045605, 21136815]

約数ペア:

[(1, 21136815), (3, 7045605), (5, 4227363), (7, 3019545), (9, 2348535), (15, 1409121), (21, 1006515), (27, 782845), (35, 603909), (45, 469707), (63, 335505), (105, 201303), (135, 156569), (189, 111835), (315, 67101), (945, 22367)]