21799764

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:222

約数の個数: 144

約数和(自身を含む): 69014400

約数和(自身を除く): 47214636

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 29, 36, 38, 42, 57, 58, 63, 76, 84, 87, 114, 116, 126, 133, 157, 171, 174, 203, 228, 252, 261, 266, 314, 342, 348, 399, 406, 471, 522, 532, 551, 609, 628, 684, 798, 812, 942, 1044, 1099, 1102, 1197, 1218, 1413, 1596, 1653, 1827, 1884, 2198, 2204, 2394, 2436, 2826, 2983, 3297, 3306, 3654, 3857, 4396, 4553, 4788, 4959, 5652, 5966, 6594, 6612, 7308, 7714, 8949, 9106, 9891, 9918, 11571, 11932, 13188, 13659, 15428, 17898, 18212, 19782, 19836, 20881, 23142, 26847, 27318, 31871, 34713, 35796, 39564, 40977, 41762, 46284, 53694, 54636, 62643, 63742, 69426, 81954, 83524, 86507, 95613, 107388, 125286, 127484, 138852, 163908, 173014, 187929, 191226, 250572, 259521, 286839, 346028, 375858, 382452, 519042, 573678, 605549, 751716, 778563, 1038084, 1147356, 1211098, 1557126, 1816647, 2422196, 3114252, 3633294, 5449941, 7266588, 10899882, 21799764]

約数ペア:

[(1, 21799764), (2, 10899882), (3, 7266588), (4, 5449941), (6, 3633294), (7, 3114252), (9, 2422196), (12, 1816647), (14, 1557126), (18, 1211098), (19, 1147356), (21, 1038084), (28, 778563), (29, 751716), (36, 605549), (38, 573678), (42, 519042), (57, 382452), (58, 375858), (63, 346028), (76, 286839), (84, 259521), (87, 250572), (114, 191226), (116, 187929), (126, 173014), (133, 163908), (157, 138852), (171, 127484), (174, 125286), (203, 107388), (228, 95613), (252, 86507), (261, 83524), (266, 81954), (314, 69426), (342, 63742), (348, 62643), (399, 54636), (406, 53694), (471, 46284), (522, 41762), (532, 40977), (551, 39564), (609, 35796), (628, 34713), (684, 31871), (798, 27318), (812, 26847), (942, 23142), (1044, 20881), (1099, 19836), (1102, 19782), (1197, 18212), (1218, 17898), (1413, 15428), (1596, 13659), (1653, 13188), (1827, 11932), (1884, 11571), (2198, 9918), (2204, 9891), (2394, 9106), (2436, 8949), (2826, 7714), (2983, 7308), (3297, 6612), (3306, 6594), (3654, 5966), (3857, 5652), (4396, 4959), (4553, 4788)]