21262206

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:433

約数の個数: 64

約数和(自身を含む): 52157952

約数和(自身を除く): 30895746

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 97, 102, 119, 194, 238, 291, 307, 357, 582, 614, 679, 714, 921, 1358, 1649, 1842, 2037, 2149, 3298, 4074, 4298, 4947, 5219, 6447, 9894, 10438, 11543, 12894, 15657, 23086, 29779, 31314, 34629, 36533, 59558, 69258, 73066, 89337, 109599, 178674, 208453, 219198, 416906, 506243, 625359, 1012486, 1250718, 1518729, 3037458, 3543701, 7087402, 10631103, 21262206]

約数ペア:

[(1, 21262206), (2, 10631103), (3, 7087402), (6, 3543701), (7, 3037458), (14, 1518729), (17, 1250718), (21, 1012486), (34, 625359), (42, 506243), (51, 416906), (97, 219198), (102, 208453), (119, 178674), (194, 109599), (238, 89337), (291, 73066), (307, 69258), (357, 59558), (582, 36533), (614, 34629), (679, 31314), (714, 29779), (921, 23086), (1358, 15657), (1649, 12894), (1842, 11543), (2037, 10438), (2149, 9894), (3298, 6447), (4074, 5219), (4298, 4947)]