21123432

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:351

約数の個数: 96

約数和(自身を含む): 63180000

約数和(自身を除く): 42056568

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 149, 179, 198, 264, 298, 358, 396, 447, 537, 596, 716, 792, 894, 1074, 1192, 1341, 1432, 1611, 1639, 1788, 1969, 2148, 2682, 3222, 3278, 3576, 3938, 4296, 4917, 5364, 5907, 6444, 6556, 7876, 9834, 10728, 11814, 12888, 13112, 14751, 15752, 17721, 19668, 23628, 26671, 29502, 35442, 39336, 47256, 53342, 59004, 70884, 80013, 106684, 118008, 141768, 160026, 213368, 240039, 293381, 320052, 480078, 586762, 640104, 880143, 960156, 1173524, 1760286, 1920312, 2347048, 2640429, 3520572, 5280858, 7041144, 10561716, 21123432]

約数ペア:

[(1, 21123432), (2, 10561716), (3, 7041144), (4, 5280858), (6, 3520572), (8, 2640429), (9, 2347048), (11, 1920312), (12, 1760286), (18, 1173524), (22, 960156), (24, 880143), (33, 640104), (36, 586762), (44, 480078), (66, 320052), (72, 293381), (88, 240039), (99, 213368), (132, 160026), (149, 141768), (179, 118008), (198, 106684), (264, 80013), (298, 70884), (358, 59004), (396, 53342), (447, 47256), (537, 39336), (596, 35442), (716, 29502), (792, 26671), (894, 23628), (1074, 19668), (1192, 17721), (1341, 15752), (1432, 14751), (1611, 13112), (1639, 12888), (1788, 11814), (1969, 10728), (2148, 9834), (2682, 7876), (3222, 6556), (3278, 6444), (3576, 5907), (3938, 5364), (4296, 4917)]