21579056

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{25447}}^1$

素因数の和:25508

約数の個数: 20

約数和(自身を含む): 42599952

約数和(自身を除く): 21020896

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 25447, 50894, 101788, 203576, 407152, 1348691, 2697382, 5394764, 10789528, 21579056]

約数ペア:

[(1, 21579056), (2, 10789528), (4, 5394764), (8, 2697382), (16, 1348691), (53, 407152), (106, 203576), (212, 101788), (424, 50894), (848, 25447)]