21695040

素因数分解:

$2^6\times 3^7\times 5^1\times {\mathrm{31}}^1$

素因数の和:69

約数の個数: 224

約数和(自身を含む): 79979520

約数和(自身を除く): 58284480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 81, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 162, 180, 186, 192, 216, 240, 243, 248, 270, 279, 288, 310, 320, 324, 360, 372, 405, 432, 465, 480, 486, 496, 540, 558, 576, 620, 648, 720, 729, 744, 810, 837, 864, 930, 960, 972, 992, 1080, 1116, 1215, 1240, 1296, 1395, 1440, 1458, 1488, 1620, 1674, 1728, 1860, 1944, 1984, 2160, 2187, 2232, 2430, 2480, 2511, 2592, 2790, 2880, 2916, 2976, 3240, 3348, 3645, 3720, 3888, 4185, 4320, 4374, 4464, 4860, 4960, 5022, 5184, 5580, 5832, 5952, 6480, 6696, 7290, 7440, 7533, 7776, 8370, 8640, 8748, 8928, 9720, 9920, 10044, 10935, 11160, 11664, 12555, 12960, 13392, 14580, 14880, 15066, 15552, 16740, 17496, 17856, 19440, 20088, 21870, 22320, 22599, 23328, 25110, 25920, 26784, 29160, 29760, 30132, 33480, 34992, 37665, 38880, 40176, 43740, 44640, 45198, 46656, 50220, 53568, 58320, 60264, 66960, 67797, 69984, 75330, 77760, 80352, 87480, 89280, 90396, 100440, 112995, 116640, 120528, 133920, 135594, 139968, 150660, 160704, 174960, 180792, 200880, 225990, 233280, 241056, 267840, 271188, 301320, 338985, 349920, 361584, 401760, 451980, 482112, 542376, 602640, 677970, 699840, 723168, 803520, 903960, 1084752, 1205280, 1355940, 1446336, 1807920, 2169504, 2410560, 2711880, 3615840, 4339008, 5423760, 7231680, 10847520, 21695040]

約数ペア:

[(1, 21695040), (2, 10847520), (3, 7231680), (4, 5423760), (5, 4339008), (6, 3615840), (8, 2711880), (9, 2410560), (10, 2169504), (12, 1807920), (15, 1446336), (16, 1355940), (18, 1205280), (20, 1084752), (24, 903960), (27, 803520), (30, 723168), (31, 699840), (32, 677970), (36, 602640), (40, 542376), (45, 482112), (48, 451980), (54, 401760), (60, 361584), (62, 349920), (64, 338985), (72, 301320), (80, 271188), (81, 267840), (90, 241056), (93, 233280), (96, 225990), (108, 200880), (120, 180792), (124, 174960), (135, 160704), (144, 150660), (155, 139968), (160, 135594), (162, 133920), (180, 120528), (186, 116640), (192, 112995), (216, 100440), (240, 90396), (243, 89280), (248, 87480), (270, 80352), (279, 77760), (288, 75330), (310, 69984), (320, 67797), (324, 66960), (360, 60264), (372, 58320), (405, 53568), (432, 50220), (465, 46656), (480, 45198), (486, 44640), (496, 43740), (540, 40176), (558, 38880), (576, 37665), (620, 34992), (648, 33480), (720, 30132), (729, 29760), (744, 29160), (810, 26784), (837, 25920), (864, 25110), (930, 23328), (960, 22599), (972, 22320), (992, 21870), (1080, 20088), (1116, 19440), (1215, 17856), (1240, 17496), (1296, 16740), (1395, 15552), (1440, 15066), (1458, 14880), (1488, 14580), (1620, 13392), (1674, 12960), (1728, 12555), (1860, 11664), (1944, 11160), (1984, 10935), (2160, 10044), (2187, 9920), (2232, 9720), (2430, 8928), (2480, 8748), (2511, 8640), (2592, 8370), (2790, 7776), (2880, 7533), (2916, 7440), (2976, 7290), (3240, 6696), (3348, 6480), (3645, 5952), (3720, 5832), (3888, 5580), (4185, 5184), (4320, 5022), (4374, 4960), (4464, 4860)]