21707196

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 65116800

約数和(自身を除く): 43409604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 29, 38, 42, 49, 57, 58, 67, 76, 84, 87, 98, 114, 116, 133, 134, 147, 174, 196, 201, 203, 228, 266, 268, 294, 348, 399, 402, 406, 469, 532, 551, 588, 609, 798, 804, 812, 931, 938, 1102, 1218, 1273, 1407, 1421, 1596, 1653, 1862, 1876, 1943, 2204, 2436, 2546, 2793, 2814, 2842, 3283, 3306, 3724, 3819, 3857, 3886, 4263, 5092, 5586, 5628, 5684, 5829, 6566, 6612, 7638, 7714, 7772, 8526, 8911, 9849, 11172, 11571, 11658, 13132, 13601, 15276, 15428, 17052, 17822, 19698, 23142, 23316, 26733, 26999, 27202, 35644, 36917, 39396, 40803, 46284, 53466, 53998, 54404, 62377, 73834, 80997, 81606, 95207, 106932, 107996, 110751, 124754, 147668, 161994, 163212, 187131, 190414, 221502, 249508, 258419, 285621, 323988, 374262, 380828, 443004, 516838, 571242, 748524, 775257, 1033676, 1142484, 1550514, 1808933, 3101028, 3617866, 5426799, 7235732, 10853598, 21707196]

約数ペア:

[(1, 21707196), (2, 10853598), (3, 7235732), (4, 5426799), (6, 3617866), (7, 3101028), (12, 1808933), (14, 1550514), (19, 1142484), (21, 1033676), (28, 775257), (29, 748524), (38, 571242), (42, 516838), (49, 443004), (57, 380828), (58, 374262), (67, 323988), (76, 285621), (84, 258419), (87, 249508), (98, 221502), (114, 190414), (116, 187131), (133, 163212), (134, 161994), (147, 147668), (174, 124754), (196, 110751), (201, 107996), (203, 106932), (228, 95207), (266, 81606), (268, 80997), (294, 73834), (348, 62377), (399, 54404), (402, 53998), (406, 53466), (469, 46284), (532, 40803), (551, 39396), (588, 36917), (609, 35644), (798, 27202), (804, 26999), (812, 26733), (931, 23316), (938, 23142), (1102, 19698), (1218, 17822), (1273, 17052), (1407, 15428), (1421, 15276), (1596, 13601), (1653, 13132), (1862, 11658), (1876, 11571), (1943, 11172), (2204, 9849), (2436, 8911), (2546, 8526), (2793, 7772), (2814, 7714), (2842, 7638), (3283, 6612), (3306, 6566), (3724, 5829), (3819, 5684), (3857, 5628), (3886, 5586), (4263, 5092)]