21645848

素因数分解:

$2^3\times 7^2\times {\mathrm{55219}}^1$

素因数の和:55239

約数の個数: 24

約数和(自身を含む): 47213100

約数和(自身を除く): 25567252

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 55219, 110438, 220876, 386533, 441752, 773066, 1546132, 2705731, 3092264, 5411462, 10822924, 21645848]

約数ペア:

[(1, 21645848), (2, 10822924), (4, 5411462), (7, 3092264), (8, 2705731), (14, 1546132), (28, 773066), (49, 441752), (56, 386533), (98, 220876), (196, 110438), (392, 55219)]