21630828

素因数分解:

$2^2\times 3^1\times {\mathrm{269}}^1\times {\mathrm{6701}}^1$

素因数の和:6977

約数の個数: 24

約数和(自身を含む): 50667120

約数和(自身を除く): 29036292

約数列:

[1, 2, 3, 4, 6, 12, 269, 538, 807, 1076, 1614, 3228, 6701, 13402, 20103, 26804, 40206, 80412, 1802569, 3605138, 5407707, 7210276, 10815414, 21630828]

約数ペア:

[(1, 21630828), (2, 10815414), (3, 7210276), (4, 5407707), (6, 3605138), (12, 1802569), (269, 80412), (538, 40206), (807, 26804), (1076, 20103), (1614, 13402), (3228, 6701)]