21908272

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{22447}}^1$

素因数の和:22516

約数の個数: 20

約数和(自身を含む): 43145056

約数和(自身を除く): 21236784

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 22447, 44894, 89788, 179576, 359152, 1369267, 2738534, 5477068, 10954136, 21908272]

約数ペア:

[(1, 21908272), (2, 10954136), (4, 5477068), (8, 2738534), (16, 1369267), (61, 359152), (122, 179576), (244, 89788), (488, 44894), (976, 22447)]