21911916

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:271

約数の個数: 96

約数和(自身を含む): 59609088

約数和(自身を除く): 37697172

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 31, 39, 46, 52, 62, 69, 78, 92, 93, 124, 138, 156, 186, 197, 276, 299, 372, 394, 403, 591, 598, 713, 788, 806, 897, 1182, 1196, 1209, 1426, 1612, 1794, 2139, 2364, 2418, 2561, 2852, 3588, 4278, 4531, 4836, 5122, 6107, 7683, 8556, 9062, 9269, 10244, 12214, 13593, 15366, 18124, 18321, 18538, 24428, 27186, 27807, 30732, 36642, 37076, 54372, 55614, 58903, 73284, 79391, 111228, 117806, 140461, 158782, 176709, 235612, 238173, 280922, 317564, 353418, 421383, 476346, 561844, 706836, 842766, 952692, 1685532, 1825993, 3651986, 5477979, 7303972, 10955958, 21911916]

約数ペア:

[(1, 21911916), (2, 10955958), (3, 7303972), (4, 5477979), (6, 3651986), (12, 1825993), (13, 1685532), (23, 952692), (26, 842766), (31, 706836), (39, 561844), (46, 476346), (52, 421383), (62, 353418), (69, 317564), (78, 280922), (92, 238173), (93, 235612), (124, 176709), (138, 158782), (156, 140461), (186, 117806), (197, 111228), (276, 79391), (299, 73284), (372, 58903), (394, 55614), (403, 54372), (591, 37076), (598, 36642), (713, 30732), (788, 27807), (806, 27186), (897, 24428), (1182, 18538), (1196, 18321), (1209, 18124), (1426, 15366), (1612, 13593), (1794, 12214), (2139, 10244), (2364, 9269), (2418, 9062), (2561, 8556), (2852, 7683), (3588, 6107), (4278, 5122), (4531, 4836)]