21754810945

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{8017}}^1$

素因数の和:8162

約数の個数: 64

約数和(自身を含む): 32069947392

約数和(自身を除く): 10315136447

約数列:

[1, 5, 7, 31, 35, 41, 61, 155, 205, 217, 287, 305, 427, 1085, 1271, 1435, 1891, 2135, 2501, 6355, 8017, 8897, 9455, 12505, 13237, 17507, 40085, 44485, 56119, 66185, 77531, 87535, 248527, 280595, 328697, 387655, 489037, 542717, 1242635, 1643485, 1739689, 2300879, 2445185, 2713585, 3423259, 8698445, 10189607, 11504395, 15160147, 17116295, 20050517, 50948035, 71327249, 75800735, 100252585, 106121029, 140353619, 356636245, 530605145, 621566027, 701768095, 3107830135, 4350962189, 21754810945]

約数ペア:

[(1, 21754810945), (5, 4350962189), (7, 3107830135), (31, 701768095), (35, 621566027), (41, 530605145), (61, 356636245), (155, 140353619), (205, 106121029), (217, 100252585), (287, 75800735), (305, 71327249), (427, 50948035), (1085, 20050517), (1271, 17116295), (1435, 15160147), (1891, 11504395), (2135, 10189607), (2501, 8698445), (6355, 3423259), (8017, 2713585), (8897, 2445185), (9455, 2300879), (12505, 1739689), (13237, 1643485), (17507, 1242635), (40085, 542717), (44485, 489037), (56119, 387655), (66185, 328697), (77531, 280595), (87535, 248527)]