21992952

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 57087360

約数和(自身を除く): 35094408

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 101, 129, 172, 202, 211, 258, 303, 344, 404, 422, 516, 606, 633, 808, 844, 1032, 1212, 1266, 1688, 2424, 2532, 4343, 5064, 8686, 9073, 13029, 17372, 18146, 21311, 26058, 27219, 34744, 36292, 42622, 52116, 54438, 63933, 72584, 85244, 104232, 108876, 127866, 170488, 217752, 255732, 511464, 916373, 1832746, 2749119, 3665492, 5498238, 7330984, 10996476, 21992952]

約数ペア:

[(1, 21992952), (2, 10996476), (3, 7330984), (4, 5498238), (6, 3665492), (8, 2749119), (12, 1832746), (24, 916373), (43, 511464), (86, 255732), (101, 217752), (129, 170488), (172, 127866), (202, 108876), (211, 104232), (258, 85244), (303, 72584), (344, 63933), (404, 54438), (422, 52116), (516, 42622), (606, 36292), (633, 34744), (808, 27219), (844, 26058), (1032, 21311), (1212, 18146), (1266, 17372), (1688, 13029), (2424, 9073), (2532, 8686), (4343, 5064)]