21212322

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 47278080

約数和(自身を除く): 26065758

約数列:

[1, 2, 3, 6, 19, 37, 38, 47, 57, 74, 94, 107, 111, 114, 141, 214, 222, 282, 321, 642, 703, 893, 1406, 1739, 1786, 2033, 2109, 2679, 3478, 3959, 4066, 4218, 5029, 5217, 5358, 6099, 7918, 10058, 10434, 11877, 12198, 15087, 23754, 30174, 33041, 66082, 75221, 95551, 99123, 150442, 186073, 191102, 198246, 225663, 286653, 372146, 451326, 558219, 573306, 1116438, 3535387, 7070774, 10606161, 21212322]

約数ペア:

[(1, 21212322), (2, 10606161), (3, 7070774), (6, 3535387), (19, 1116438), (37, 573306), (38, 558219), (47, 451326), (57, 372146), (74, 286653), (94, 225663), (107, 198246), (111, 191102), (114, 186073), (141, 150442), (214, 99123), (222, 95551), (282, 75221), (321, 66082), (642, 33041), (703, 30174), (893, 23754), (1406, 15087), (1739, 12198), (1786, 11877), (2033, 10434), (2109, 10058), (2679, 7918), (3478, 6099), (3959, 5358), (4066, 5217), (4218, 5029)]