21894368

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{241}}^1$

素因数の和:435

約数の個数: 48

約数和(自身を含む): 46103904

約数和(自身を除く): 24209536

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 167, 241, 272, 334, 482, 544, 668, 964, 1336, 1928, 2672, 2839, 3856, 4097, 5344, 5678, 7712, 8194, 11356, 16388, 22712, 32776, 40247, 45424, 65552, 80494, 90848, 131104, 160988, 321976, 643952, 684199, 1287904, 1368398, 2736796, 5473592, 10947184, 21894368]

約数ペア:

[(1, 21894368), (2, 10947184), (4, 5473592), (8, 2736796), (16, 1368398), (17, 1287904), (32, 684199), (34, 643952), (68, 321976), (136, 160988), (167, 131104), (241, 90848), (272, 80494), (334, 65552), (482, 45424), (544, 40247), (668, 32776), (964, 22712), (1336, 16388), (1928, 11356), (2672, 8194), (2839, 7712), (3856, 5678), (4097, 5344)]