21059216

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{35573}}^1$

素因数の和:35618

約数の個数: 20

約数和(自身を含む): 41906172

約数和(自身を除く): 20846956

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 35573, 71146, 142292, 284584, 569168, 1316201, 2632402, 5264804, 10529608, 21059216]

約数ペア:

[(1, 21059216), (2, 10529608), (4, 5264804), (8, 2632402), (16, 1316201), (37, 569168), (74, 284584), (148, 142292), (296, 71146), (592, 35573)]