2021119965

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{7229}}^1$

素因数の和:7371

約数の個数: 64

約数和(自身を含む): 3817440000

約数和(自身を除く): 1796320035

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 109, 135, 171, 285, 327, 513, 545, 855, 981, 1635, 2071, 2565, 2943, 4905, 6213, 7229, 10355, 14715, 18639, 21687, 31065, 36145, 55917, 65061, 93195, 108435, 137351, 195183, 279585, 325305, 412053, 686755, 787961, 975915, 1236159, 2060265, 2363883, 3708477, 3939805, 6180795, 7091649, 11819415, 14971259, 18542385, 21274947, 35458245, 44913777, 74856295, 106374735, 134741331, 224568885, 404223993, 673706655, 2021119965]

約数ペア:

[(1, 2021119965), (3, 673706655), (5, 404223993), (9, 224568885), (15, 134741331), (19, 106374735), (27, 74856295), (45, 44913777), (57, 35458245), (95, 21274947), (109, 18542385), (135, 14971259), (171, 11819415), (285, 7091649), (327, 6180795), (513, 3939805), (545, 3708477), (855, 2363883), (981, 2060265), (1635, 1236159), (2071, 975915), (2565, 787961), (2943, 686755), (4905, 412053), (6213, 325305), (7229, 279585), (10355, 195183), (14715, 137351), (18639, 108435), (21687, 93195), (31065, 65061), (36145, 55917)]