21569656

素因数分解:

$2^3\times {\mathrm{563}}^1\times {\mathrm{4789}}^1$

素因数の和:5358

約数の個数: 16

約数和(自身を含む): 40523400

約数和(自身を除く): 18953744

約数列:

[1, 2, 4, 8, 563, 1126, 2252, 4504, 4789, 9578, 19156, 38312, 2696207, 5392414, 10784828, 21569656]

約数ペア:

[(1, 21569656), (2, 10784828), (4, 5392414), (8, 2696207), (563, 38312), (1126, 19156), (2252, 9578), (4504, 4789)]