21112876

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{3347}}^1$

素因数の和:3453

約数の個数: 24

約数和(自身を含む): 39372480

約数和(自身を除く): 18259604

約数列:

[1, 2, 4, 19, 38, 76, 83, 166, 332, 1577, 3154, 3347, 6308, 6694, 13388, 63593, 127186, 254372, 277801, 555602, 1111204, 5278219, 10556438, 21112876]

約数ペア:

[(1, 21112876), (2, 10556438), (4, 5278219), (19, 1111204), (38, 555602), (76, 277801), (83, 254372), (166, 127186), (332, 63593), (1577, 13388), (3154, 6694), (3347, 6308)]