21521928

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 56770560

約数和(自身を除く): 35248632

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 127, 138, 184, 254, 276, 307, 381, 508, 552, 614, 762, 921, 1016, 1228, 1524, 1842, 2456, 2921, 3048, 3684, 5842, 7061, 7368, 8763, 11684, 14122, 17526, 21183, 23368, 28244, 35052, 38989, 42366, 56488, 70104, 77978, 84732, 116967, 155956, 169464, 233934, 311912, 467868, 896747, 935736, 1793494, 2690241, 3586988, 5380482, 7173976, 10760964, 21521928]

約数ペア:

[(1, 21521928), (2, 10760964), (3, 7173976), (4, 5380482), (6, 3586988), (8, 2690241), (12, 1793494), (23, 935736), (24, 896747), (46, 467868), (69, 311912), (92, 233934), (127, 169464), (138, 155956), (184, 116967), (254, 84732), (276, 77978), (307, 70104), (381, 56488), (508, 42366), (552, 38989), (614, 35052), (762, 28244), (921, 23368), (1016, 21183), (1228, 17526), (1524, 14122), (1842, 11684), (2456, 8763), (2921, 7368), (3048, 7061), (3684, 5842)]