21676304

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{197}}^1$

素因数の和:264

約数の個数: 60

約数和(自身を含む): 47520396

約数和(自身を除く): 25844092

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 197, 208, 299, 368, 394, 529, 598, 788, 1058, 1196, 1576, 2116, 2392, 2561, 3152, 4232, 4531, 4784, 5122, 6877, 8464, 9062, 10244, 13754, 18124, 20488, 27508, 36248, 40976, 55016, 58903, 72496, 104213, 110032, 117806, 208426, 235612, 416852, 471224, 833704, 942448, 1354769, 1667408, 2709538, 5419076, 10838152, 21676304]

約数ペア:

[(1, 21676304), (2, 10838152), (4, 5419076), (8, 2709538), (13, 1667408), (16, 1354769), (23, 942448), (26, 833704), (46, 471224), (52, 416852), (92, 235612), (104, 208426), (184, 117806), (197, 110032), (208, 104213), (299, 72496), (368, 58903), (394, 55016), (529, 40976), (598, 36248), (788, 27508), (1058, 20488), (1196, 18124), (1576, 13754), (2116, 10244), (2392, 9062), (2561, 8464), (3152, 6877), (4232, 5122), (4531, 4784)]