21482274

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{463}}^1$

素因数の和:535

約数の個数: 64

約数和(自身を含む): 50780160

約数和(自身を除く): 29297886

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 37, 38, 57, 66, 74, 111, 114, 209, 222, 407, 418, 463, 627, 703, 814, 926, 1221, 1254, 1389, 1406, 2109, 2442, 2778, 4218, 5093, 7733, 8797, 10186, 15279, 15466, 17131, 17594, 23199, 26391, 30558, 34262, 46398, 51393, 52782, 96767, 102786, 188441, 193534, 290301, 325489, 376882, 565323, 580602, 650978, 976467, 1130646, 1952934, 3580379, 7160758, 10741137, 21482274]

約数ペア:

[(1, 21482274), (2, 10741137), (3, 7160758), (6, 3580379), (11, 1952934), (19, 1130646), (22, 976467), (33, 650978), (37, 580602), (38, 565323), (57, 376882), (66, 325489), (74, 290301), (111, 193534), (114, 188441), (209, 102786), (222, 96767), (407, 52782), (418, 51393), (463, 46398), (627, 34262), (703, 30558), (814, 26391), (926, 23199), (1221, 17594), (1254, 17131), (1389, 15466), (1406, 15279), (2109, 10186), (2442, 8797), (2778, 7733), (4218, 5093)]