21128461560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{119047}}^1$

素因数の和:119110

約数の個数: 192

約数和(自身を含む): 75214526400

約数和(自身を除く): 54086064840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 29, 30, 34, 36, 40, 45, 51, 58, 60, 68, 72, 85, 87, 90, 102, 116, 120, 136, 145, 153, 170, 174, 180, 204, 232, 255, 261, 290, 306, 340, 348, 360, 408, 435, 493, 510, 522, 580, 612, 680, 696, 765, 870, 986, 1020, 1044, 1160, 1224, 1305, 1479, 1530, 1740, 1972, 2040, 2088, 2465, 2610, 2958, 3060, 3480, 3944, 4437, 4930, 5220, 5916, 6120, 7395, 8874, 9860, 10440, 11832, 14790, 17748, 19720, 22185, 29580, 35496, 44370, 59160, 88740, 119047, 177480, 238094, 357141, 476188, 595235, 714282, 952376, 1071423, 1190470, 1428564, 1785705, 2023799, 2142846, 2380940, 2857128, 3452363, 3571410, 4047598, 4285692, 4761880, 5357115, 6071397, 6904726, 7142820, 8095196, 8571384, 10118995, 10357089, 10714230, 12142794, 13809452, 14285640, 16190392, 17261815, 18214191, 20237990, 20714178, 21428460, 24285588, 27618904, 30356985, 31071267, 34523630, 36428382, 40475980, 41428356, 42856920, 48571176, 51785445, 58690171, 60713970, 62142534, 69047260, 72856764, 80951960, 82856712, 91070955, 103570890, 117380342, 121427940, 124285068, 138094520, 145713528, 155356335, 176070513, 182141910, 207141780, 234760684, 242855880, 248570136, 293450855, 310712670, 352141026, 364283820, 414283560, 469521368, 528211539, 586901710, 621425340, 704282052, 728567640, 880352565, 1056423078, 1173803420, 1242850680, 1408564104, 1760705130, 2112846156, 2347606840, 2641057695, 3521410260, 4225692312, 5282115390, 7042820520, 10564230780, 21128461560]

約数ペア:

[(1, 21128461560), (2, 10564230780), (3, 7042820520), (4, 5282115390), (5, 4225692312), (6, 3521410260), (8, 2641057695), (9, 2347606840), (10, 2112846156), (12, 1760705130), (15, 1408564104), (17, 1242850680), (18, 1173803420), (20, 1056423078), (24, 880352565), (29, 728567640), (30, 704282052), (34, 621425340), (36, 586901710), (40, 528211539), (45, 469521368), (51, 414283560), (58, 364283820), (60, 352141026), (68, 310712670), (72, 293450855), (85, 248570136), (87, 242855880), (90, 234760684), (102, 207141780), (116, 182141910), (120, 176070513), (136, 155356335), (145, 145713528), (153, 138094520), (170, 124285068), (174, 121427940), (180, 117380342), (204, 103570890), (232, 91070955), (255, 82856712), (261, 80951960), (290, 72856764), (306, 69047260), (340, 62142534), (348, 60713970), (360, 58690171), (408, 51785445), (435, 48571176), (493, 42856920), (510, 41428356), (522, 40475980), (580, 36428382), (612, 34523630), (680, 31071267), (696, 30356985), (765, 27618904), (870, 24285588), (986, 21428460), (1020, 20714178), (1044, 20237990), (1160, 18214191), (1224, 17261815), (1305, 16190392), (1479, 14285640), (1530, 13809452), (1740, 12142794), (1972, 10714230), (2040, 10357089), (2088, 10118995), (2465, 8571384), (2610, 8095196), (2958, 7142820), (3060, 6904726), (3480, 6071397), (3944, 5357115), (4437, 4761880), (4930, 4285692), (5220, 4047598), (5916, 3571410), (6120, 3452363), (7395, 2857128), (8874, 2380940), (9860, 2142846), (10440, 2023799), (11832, 1785705), (14790, 1428564), (17748, 1190470), (19720, 1071423), (22185, 952376), (29580, 714282), (35496, 595235), (44370, 476188), (59160, 357141), (88740, 238094), (119047, 177480)]