21031746735

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{1187}}^1$

素因数の和:1524

約数の個数: 64

約数和(自身を含む): 34685190144

約数和(自身を除く): 13653443409

約数列:

[1, 3, 5, 15, 71, 127, 131, 213, 355, 381, 393, 635, 655, 1065, 1187, 1905, 1965, 3561, 5935, 9017, 9301, 16637, 17805, 27051, 27903, 45085, 46505, 49911, 83185, 84277, 135255, 139515, 150749, 155497, 249555, 252831, 421385, 452247, 466491, 753745, 777485, 1181227, 1264155, 2261235, 2332455, 3543681, 5906135, 10703179, 11040287, 17718405, 19748119, 32109537, 33120861, 53515895, 55201435, 59244357, 98740595, 160547685, 165604305, 296221785, 1402116449, 4206349347, 7010582245, 21031746735]

約数ペア:

[(1, 21031746735), (3, 7010582245), (5, 4206349347), (15, 1402116449), (71, 296221785), (127, 165604305), (131, 160547685), (213, 98740595), (355, 59244357), (381, 55201435), (393, 53515895), (635, 33120861), (655, 32109537), (1065, 19748119), (1187, 17718405), (1905, 11040287), (1965, 10703179), (3561, 5906135), (5935, 3543681), (9017, 2332455), (9301, 2261235), (16637, 1264155), (17805, 1181227), (27051, 777485), (27903, 753745), (45085, 466491), (46505, 452247), (49911, 421385), (83185, 252831), (84277, 249555), (135255, 155497), (139515, 150749)]