21683445

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7121}}^1$

素因数の和:7165

約数の個数: 32

約数和(自身を含む): 41022720

約数和(自身を除く): 19339275

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 1015, 3045, 7121, 21363, 35605, 49847, 106815, 149541, 206509, 249235, 619527, 747705, 1032545, 1445563, 3097635, 4336689, 7227815, 21683445]

約数ペア:

[(1, 21683445), (3, 7227815), (5, 4336689), (7, 3097635), (15, 1445563), (21, 1032545), (29, 747705), (35, 619527), (87, 249235), (105, 206509), (145, 149541), (203, 106815), (435, 49847), (609, 35605), (1015, 21363), (3045, 7121)]