21449085

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5521}}^1$

素因数の和:5573

約数の個数: 32

約数和(自身を含む): 40288512

約数和(自身を除く): 18839427

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 105, 111, 185, 259, 555, 777, 1295, 3885, 5521, 16563, 27605, 38647, 82815, 115941, 193235, 204277, 579705, 612831, 1021385, 1429939, 3064155, 4289817, 7149695, 21449085]

約数ペア:

[(1, 21449085), (3, 7149695), (5, 4289817), (7, 3064155), (15, 1429939), (21, 1021385), (35, 612831), (37, 579705), (105, 204277), (111, 193235), (185, 115941), (259, 82815), (555, 38647), (777, 27605), (1295, 16563), (3885, 5521)]