21000388635

素因数分解:

$3^2\times 5^1\times {\mathrm{13457}}^1\times {\mathrm{34679}}^1$

素因数の和:48147

約数の個数: 24

約数和(自身を含む): 36404428320

約数和(自身を除く): 15404039685

約数列:

[1, 3, 5, 9, 15, 45, 13457, 34679, 40371, 67285, 104037, 121113, 173395, 201855, 312111, 520185, 605565, 1560555, 466675303, 1400025909, 2333376515, 4200077727, 7000129545, 21000388635]

約数ペア:

[(1, 21000388635), (3, 7000129545), (5, 4200077727), (9, 2333376515), (15, 1400025909), (45, 466675303), (13457, 1560555), (34679, 605565), (40371, 520185), (67285, 312111), (104037, 201855), (121113, 173395)]