21516453

素因数分解:

$3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1429}}^1$

素因数の和:1681

約数の個数: 24

約数和(自身を含む): 35692800

約数和(自身を除く): 14176347

約数列:

[1, 3, 7, 9, 21, 63, 239, 717, 1429, 1673, 2151, 4287, 5019, 10003, 12861, 15057, 30009, 90027, 341531, 1024593, 2390717, 3073779, 7172151, 21516453]

約数ペア:

[(1, 21516453), (3, 7172151), (7, 3073779), (9, 2390717), (21, 1024593), (63, 341531), (239, 90027), (717, 30009), (1429, 15057), (1673, 12861), (2151, 10003), (4287, 5019)]