21444480

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1$

素因数の和:118

約数の個数: 256

約数和(自身を含む): 81518400

約数和(自身を除く): 60073920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 73, 80, 85, 90, 96, 102, 108, 120, 128, 135, 136, 144, 146, 153, 160, 170, 180, 192, 204, 216, 219, 240, 255, 270, 272, 288, 292, 306, 320, 340, 360, 365, 384, 408, 432, 438, 459, 480, 510, 540, 544, 576, 584, 612, 640, 657, 680, 720, 730, 765, 816, 864, 876, 918, 960, 1020, 1080, 1088, 1095, 1152, 1168, 1224, 1241, 1314, 1360, 1440, 1460, 1530, 1632, 1728, 1752, 1836, 1920, 1971, 2040, 2160, 2176, 2190, 2295, 2336, 2448, 2482, 2628, 2720, 2880, 2920, 3060, 3264, 3285, 3456, 3504, 3672, 3723, 3942, 4080, 4320, 4380, 4590, 4672, 4896, 4964, 5256, 5440, 5760, 5840, 6120, 6205, 6528, 6570, 7008, 7344, 7446, 7884, 8160, 8640, 8760, 9180, 9344, 9792, 9855, 9928, 10512, 10880, 11169, 11680, 12240, 12410, 13140, 14016, 14688, 14892, 15768, 16320, 17280, 17520, 18360, 18615, 19584, 19710, 19856, 21024, 22338, 23360, 24480, 24820, 26280, 28032, 29376, 29784, 31536, 32640, 33507, 35040, 36720, 37230, 39420, 39712, 42048, 44676, 46720, 48960, 49640, 52560, 55845, 58752, 59568, 63072, 67014, 70080, 73440, 74460, 78840, 79424, 84096, 89352, 97920, 99280, 105120, 111690, 119136, 126144, 134028, 140160, 146880, 148920, 157680, 158848, 167535, 178704, 198560, 210240, 223380, 238272, 252288, 268056, 293760, 297840, 315360, 335070, 357408, 397120, 420480, 446760, 476544, 536112, 595680, 630720, 670140, 714816, 794240, 893520, 1072224, 1191360, 1261440, 1340280, 1429632, 1787040, 2144448, 2382720, 2680560, 3574080, 4288896, 5361120, 7148160, 10722240, 21444480]

約数ペア:

[(1, 21444480), (2, 10722240), (3, 7148160), (4, 5361120), (5, 4288896), (6, 3574080), (8, 2680560), (9, 2382720), (10, 2144448), (12, 1787040), (15, 1429632), (16, 1340280), (17, 1261440), (18, 1191360), (20, 1072224), (24, 893520), (27, 794240), (30, 714816), (32, 670140), (34, 630720), (36, 595680), (40, 536112), (45, 476544), (48, 446760), (51, 420480), (54, 397120), (60, 357408), (64, 335070), (68, 315360), (72, 297840), (73, 293760), (80, 268056), (85, 252288), (90, 238272), (96, 223380), (102, 210240), (108, 198560), (120, 178704), (128, 167535), (135, 158848), (136, 157680), (144, 148920), (146, 146880), (153, 140160), (160, 134028), (170, 126144), (180, 119136), (192, 111690), (204, 105120), (216, 99280), (219, 97920), (240, 89352), (255, 84096), (270, 79424), (272, 78840), (288, 74460), (292, 73440), (306, 70080), (320, 67014), (340, 63072), (360, 59568), (365, 58752), (384, 55845), (408, 52560), (432, 49640), (438, 48960), (459, 46720), (480, 44676), (510, 42048), (540, 39712), (544, 39420), (576, 37230), (584, 36720), (612, 35040), (640, 33507), (657, 32640), (680, 31536), (720, 29784), (730, 29376), (765, 28032), (816, 26280), (864, 24820), (876, 24480), (918, 23360), (960, 22338), (1020, 21024), (1080, 19856), (1088, 19710), (1095, 19584), (1152, 18615), (1168, 18360), (1224, 17520), (1241, 17280), (1314, 16320), (1360, 15768), (1440, 14892), (1460, 14688), (1530, 14016), (1632, 13140), (1728, 12410), (1752, 12240), (1836, 11680), (1920, 11169), (1971, 10880), (2040, 10512), (2160, 9928), (2176, 9855), (2190, 9792), (2295, 9344), (2336, 9180), (2448, 8760), (2482, 8640), (2628, 8160), (2720, 7884), (2880, 7446), (2920, 7344), (3060, 7008), (3264, 6570), (3285, 6528), (3456, 6205), (3504, 6120), (3672, 5840), (3723, 5760), (3942, 5440), (4080, 5256), (4320, 4964), (4380, 4896), (4590, 4672)]