21660571520

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{36353}}^1$

素因数の和:36405

約数の個数: 192

約数和(自身を含む): 63408646800

約数和(自身を除く): 41748075280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 64, 70, 76, 80, 95, 98, 112, 128, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 320, 380, 392, 448, 490, 532, 560, 608, 640, 665, 760, 784, 896, 931, 980, 1064, 1120, 1216, 1330, 1520, 1568, 1862, 1960, 2128, 2240, 2432, 2660, 3040, 3136, 3724, 3920, 4256, 4480, 4655, 5320, 6080, 6272, 7448, 7840, 8512, 9310, 10640, 12160, 14896, 15680, 17024, 18620, 21280, 29792, 31360, 36353, 37240, 42560, 59584, 72706, 74480, 85120, 119168, 145412, 148960, 181765, 254471, 290824, 297920, 363530, 508942, 581648, 595840, 690707, 727060, 1017884, 1163296, 1272355, 1381414, 1454120, 1781297, 2035768, 2326592, 2544710, 2762828, 2908240, 3453535, 3562594, 4071536, 4653184, 4834949, 5089420, 5525656, 5816480, 6907070, 7125188, 8143072, 8906485, 9669898, 10178840, 11051312, 11632960, 13814140, 14250376, 16286144, 17812970, 19339796, 20357680, 22102624, 23265920, 24174745, 27628280, 28500752, 32572288, 33844643, 35625940, 38679592, 40715360, 44205248, 48349490, 55256560, 57001504, 67689286, 71251880, 77359184, 81430720, 88410496, 96698980, 110513120, 114003008, 135378572, 142503760, 154718368, 162861440, 169223215, 193397960, 221026240, 228006016, 270757144, 285007520, 309436736, 338446430, 386795920, 442052480, 541514288, 570015040, 618873472, 676892860, 773591840, 1083028576, 1140030080, 1353785720, 1547183680, 2166057152, 2707571440, 3094367360, 4332114304, 5415142880, 10830285760, 21660571520]

約数ペア:

[(1, 21660571520), (2, 10830285760), (4, 5415142880), (5, 4332114304), (7, 3094367360), (8, 2707571440), (10, 2166057152), (14, 1547183680), (16, 1353785720), (19, 1140030080), (20, 1083028576), (28, 773591840), (32, 676892860), (35, 618873472), (38, 570015040), (40, 541514288), (49, 442052480), (56, 386795920), (64, 338446430), (70, 309436736), (76, 285007520), (80, 270757144), (95, 228006016), (98, 221026240), (112, 193397960), (128, 169223215), (133, 162861440), (140, 154718368), (152, 142503760), (160, 135378572), (190, 114003008), (196, 110513120), (224, 96698980), (245, 88410496), (266, 81430720), (280, 77359184), (304, 71251880), (320, 67689286), (380, 57001504), (392, 55256560), (448, 48349490), (490, 44205248), (532, 40715360), (560, 38679592), (608, 35625940), (640, 33844643), (665, 32572288), (760, 28500752), (784, 27628280), (896, 24174745), (931, 23265920), (980, 22102624), (1064, 20357680), (1120, 19339796), (1216, 17812970), (1330, 16286144), (1520, 14250376), (1568, 13814140), (1862, 11632960), (1960, 11051312), (2128, 10178840), (2240, 9669898), (2432, 8906485), (2660, 8143072), (3040, 7125188), (3136, 6907070), (3724, 5816480), (3920, 5525656), (4256, 5089420), (4480, 4834949), (4655, 4653184), (5320, 4071536), (6080, 3562594), (6272, 3453535), (7448, 2908240), (7840, 2762828), (8512, 2544710), (9310, 2326592), (10640, 2035768), (12160, 1781297), (14896, 1454120), (15680, 1381414), (17024, 1272355), (18620, 1163296), (21280, 1017884), (29792, 727060), (31360, 690707), (36353, 595840), (37240, 581648), (42560, 508942), (59584, 363530), (72706, 297920), (74480, 290824), (85120, 254471), (119168, 181765), (145412, 148960)]