21848553

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2341}}^1$

素因数の和:2425

約数の個数: 24

約数和(自身を含む): 33977736

約数和(自身を除く): 12129183

約数列:

[1, 3, 9, 17, 51, 61, 153, 183, 549, 1037, 2341, 3111, 7023, 9333, 21069, 39797, 119391, 142801, 358173, 428403, 1285209, 2427617, 7282851, 21848553]

約数ペア:

[(1, 21848553), (3, 7282851), (9, 2427617), (17, 1285209), (51, 428403), (61, 358173), (153, 142801), (183, 119391), (549, 39797), (1037, 21069), (2341, 9333), (3111, 7023)]