21143148

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{135533}}^1$

素因数の和:135553

約数の個数: 24

約数和(自身を含む): 53129328

約数和(自身を除く): 31986180

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 135533, 271066, 406599, 542132, 813198, 1626396, 1761929, 3523858, 5285787, 7047716, 10571574, 21143148]

約数ペア:

[(1, 21143148), (2, 10571574), (3, 7047716), (4, 5285787), (6, 3523858), (12, 1761929), (13, 1626396), (26, 813198), (39, 542132), (52, 406599), (78, 271066), (156, 135533)]