21076974

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{68879}}^1$

素因数の和:68904

約数の個数: 24

約数和(自身を含む): 48353760

約数和(自身を除く): 27276786

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 68879, 137758, 206637, 413274, 619911, 1170943, 1239822, 2341886, 3512829, 7025658, 10538487, 21076974]

約数ペア:

[(1, 21076974), (2, 10538487), (3, 7025658), (6, 3512829), (9, 2341886), (17, 1239822), (18, 1170943), (34, 619911), (51, 413274), (102, 206637), (153, 137758), (306, 68879)]