21426741315

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{1213}}^1\times {\mathrm{8011}}^1$

素因数の和:9249

約数の個数: 72

約数和(自身を含む): 43244321328

約数和(自身を除く): 21817580013

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 1213, 2205, 3639, 6065, 8011, 8491, 10917, 18195, 24033, 25473, 40055, 42455, 54585, 56077, 59437, 72099, 76419, 120165, 127365, 168231, 178311, 280385, 297185, 360495, 382095, 392539, 504693, 534933, 841155, 891555, 1177617, 1962695, 2523465, 2674665, 3532851, 5888085, 9717343, 17664255, 29152029, 48586715, 68021401, 87456087, 145760145, 204064203, 340107005, 437280435, 476149807, 612192609, 1020321015, 1428449421, 2380749035, 3060963045, 4285348263, 7142247105, 21426741315]

約数ペア:

[(1, 21426741315), (3, 7142247105), (5, 4285348263), (7, 3060963045), (9, 2380749035), (15, 1428449421), (21, 1020321015), (35, 612192609), (45, 476149807), (49, 437280435), (63, 340107005), (105, 204064203), (147, 145760145), (245, 87456087), (315, 68021401), (441, 48586715), (735, 29152029), (1213, 17664255), (2205, 9717343), (3639, 5888085), (6065, 3532851), (8011, 2674665), (8491, 2523465), (10917, 1962695), (18195, 1177617), (24033, 891555), (25473, 841155), (40055, 534933), (42455, 504693), (54585, 392539), (56077, 382095), (59437, 360495), (72099, 297185), (76419, 280385), (120165, 178311), (127365, 168231)]