21817432

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1303}}^1$

素因数の和:1352

約数の個数: 64

約数和(自身を含む): 52577280

約数和(自身を除く): 30759848

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 46, 52, 56, 91, 92, 104, 161, 182, 184, 299, 322, 364, 598, 644, 728, 1196, 1288, 1303, 2093, 2392, 2606, 4186, 5212, 8372, 9121, 10424, 16744, 16939, 18242, 29969, 33878, 36484, 59938, 67756, 72968, 118573, 119876, 135512, 209783, 237146, 239752, 389597, 419566, 474292, 779194, 839132, 948584, 1558388, 1678264, 2727179, 3116776, 5454358, 10908716, 21817432]

約数ペア:

[(1, 21817432), (2, 10908716), (4, 5454358), (7, 3116776), (8, 2727179), (13, 1678264), (14, 1558388), (23, 948584), (26, 839132), (28, 779194), (46, 474292), (52, 419566), (56, 389597), (91, 239752), (92, 237146), (104, 209783), (161, 135512), (182, 119876), (184, 118573), (299, 72968), (322, 67756), (364, 59938), (598, 36484), (644, 33878), (728, 29969), (1196, 18242), (1288, 16939), (1303, 16744), (2093, 10424), (2392, 9121), (2606, 8372), (4186, 5212)]