21623632

素因数分解:

$2^4\times {\mathrm{271}}^1\times {\mathrm{4987}}^1$

素因数の和:5266

約数の個数: 20

約数和(自身を含む): 42058816

約数和(自身を除く): 20435184

約数列:

[1, 2, 4, 8, 16, 271, 542, 1084, 2168, 4336, 4987, 9974, 19948, 39896, 79792, 1351477, 2702954, 5405908, 10811816, 21623632]

約数ペア:

[(1, 21623632), (2, 10811816), (4, 5405908), (8, 2702954), (16, 1351477), (271, 79792), (542, 39896), (1084, 19948), (2168, 9974), (4336, 4987)]