21554916

素因数分解:

$2^2\times 3^1\times {\mathrm{211}}^1\times {\mathrm{8513}}^1$

素因数の和:8731

約数の個数: 24

約数和(自身を含む): 50539104

約数和(自身を除く): 28984188

約数列:

[1, 2, 3, 4, 6, 12, 211, 422, 633, 844, 1266, 2532, 8513, 17026, 25539, 34052, 51078, 102156, 1796243, 3592486, 5388729, 7184972, 10777458, 21554916]

約数ペア:

[(1, 21554916), (2, 10777458), (3, 7184972), (4, 5388729), (6, 3592486), (12, 1796243), (211, 102156), (422, 51078), (633, 34052), (844, 25539), (1266, 17026), (2532, 8513)]