21830040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:107

約数の個数: 256

約数和(自身を含む): 81648000

約数和(自身を除く): 59817960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 29, 30, 34, 36, 40, 41, 45, 51, 54, 58, 60, 68, 72, 82, 85, 87, 90, 102, 108, 116, 120, 123, 135, 136, 145, 153, 164, 170, 174, 180, 204, 205, 216, 232, 246, 255, 261, 270, 290, 306, 328, 340, 348, 360, 369, 408, 410, 435, 459, 492, 493, 510, 522, 540, 580, 612, 615, 680, 696, 697, 738, 765, 783, 820, 870, 918, 984, 986, 1020, 1044, 1080, 1107, 1160, 1189, 1224, 1230, 1305, 1394, 1476, 1479, 1530, 1566, 1640, 1740, 1836, 1845, 1972, 2040, 2088, 2091, 2214, 2295, 2378, 2460, 2465, 2610, 2788, 2952, 2958, 3060, 3132, 3480, 3485, 3567, 3672, 3690, 3915, 3944, 4182, 4428, 4437, 4590, 4756, 4920, 4930, 5220, 5535, 5576, 5916, 5945, 6120, 6264, 6273, 6970, 7134, 7380, 7395, 7830, 8364, 8856, 8874, 9180, 9512, 9860, 10440, 10455, 10701, 11070, 11832, 11890, 12546, 13311, 13940, 14268, 14760, 14790, 15660, 16728, 17748, 17835, 18360, 18819, 19720, 20213, 20910, 21402, 22140, 22185, 23780, 25092, 26622, 27880, 28536, 29580, 31320, 31365, 32103, 35496, 35670, 37638, 40426, 41820, 42804, 44280, 44370, 47560, 50184, 53244, 53505, 59160, 60639, 62730, 64206, 66555, 71340, 75276, 80852, 83640, 85608, 88740, 94095, 101065, 106488, 107010, 121278, 125460, 128412, 133110, 142680, 150552, 160515, 161704, 177480, 181917, 188190, 202130, 214020, 242556, 250920, 256824, 266220, 303195, 321030, 363834, 376380, 404260, 428040, 485112, 532440, 545751, 606390, 642060, 727668, 752760, 808520, 909585, 1091502, 1212780, 1284120, 1455336, 1819170, 2183004, 2425560, 2728755, 3638340, 4366008, 5457510, 7276680, 10915020, 21830040]

約数ペア:

[(1, 21830040), (2, 10915020), (3, 7276680), (4, 5457510), (5, 4366008), (6, 3638340), (8, 2728755), (9, 2425560), (10, 2183004), (12, 1819170), (15, 1455336), (17, 1284120), (18, 1212780), (20, 1091502), (24, 909585), (27, 808520), (29, 752760), (30, 727668), (34, 642060), (36, 606390), (40, 545751), (41, 532440), (45, 485112), (51, 428040), (54, 404260), (58, 376380), (60, 363834), (68, 321030), (72, 303195), (82, 266220), (85, 256824), (87, 250920), (90, 242556), (102, 214020), (108, 202130), (116, 188190), (120, 181917), (123, 177480), (135, 161704), (136, 160515), (145, 150552), (153, 142680), (164, 133110), (170, 128412), (174, 125460), (180, 121278), (204, 107010), (205, 106488), (216, 101065), (232, 94095), (246, 88740), (255, 85608), (261, 83640), (270, 80852), (290, 75276), (306, 71340), (328, 66555), (340, 64206), (348, 62730), (360, 60639), (369, 59160), (408, 53505), (410, 53244), (435, 50184), (459, 47560), (492, 44370), (493, 44280), (510, 42804), (522, 41820), (540, 40426), (580, 37638), (612, 35670), (615, 35496), (680, 32103), (696, 31365), (697, 31320), (738, 29580), (765, 28536), (783, 27880), (820, 26622), (870, 25092), (918, 23780), (984, 22185), (986, 22140), (1020, 21402), (1044, 20910), (1080, 20213), (1107, 19720), (1160, 18819), (1189, 18360), (1224, 17835), (1230, 17748), (1305, 16728), (1394, 15660), (1476, 14790), (1479, 14760), (1530, 14268), (1566, 13940), (1640, 13311), (1740, 12546), (1836, 11890), (1845, 11832), (1972, 11070), (2040, 10701), (2088, 10455), (2091, 10440), (2214, 9860), (2295, 9512), (2378, 9180), (2460, 8874), (2465, 8856), (2610, 8364), (2788, 7830), (2952, 7395), (2958, 7380), (3060, 7134), (3132, 6970), (3480, 6273), (3485, 6264), (3567, 6120), (3672, 5945), (3690, 5916), (3915, 5576), (3944, 5535), (4182, 5220), (4428, 4930), (4437, 4920), (4590, 4756)]