21162052

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{577}}^1$

素因数の和:807

約数の個数: 24

約数和(自身を含む): 38016216

約数和(自身を除く): 16854164

約数列:

[1, 2, 4, 53, 106, 173, 212, 346, 577, 692, 1154, 2308, 9169, 18338, 30581, 36676, 61162, 99821, 122324, 199642, 399284, 5290513, 10581026, 21162052]

約数ペア:

[(1, 21162052), (2, 10581026), (4, 5290513), (53, 399284), (106, 199642), (173, 122324), (212, 99821), (346, 61162), (577, 36676), (692, 30581), (1154, 18338), (2308, 9169)]