21208551840

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{701341}}^1$

素因数の和:701372

約数の個数: 192

約数和(自身を含む): 84834328320

約数和(自身を除く): 63625776480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 10080, 15120, 30240, 701341, 1402682, 2104023, 2805364, 3506705, 4208046, 4909387, 5610728, 6312069, 7013410, 8416092, 9818774, 10520115, 11221456, 12624138, 14026820, 14728161, 16832184, 18936207, 19637548, 21040230, 22442912, 24546935, 25248276, 28053640, 29456322, 31560345, 33664368, 37872414, 39275096, 42080460, 44184483, 49093870, 50496552, 56107280, 58912644, 63120690, 67328736, 73640805, 75744828, 78550192, 84160920, 88368966, 94681035, 98187740, 100993104, 112214560, 117825288, 126241380, 132553449, 147281610, 151489656, 157100384, 168321840, 176737932, 189362070, 196375480, 201986208, 220922415, 235650576, 252482760, 265106898, 294563220, 302979312, 336643680, 353475864, 378724140, 392750960, 441844830, 471301152, 504965520, 530213796, 589126440, 605958624, 662767245, 706951728, 757448280, 785501920, 883689660, 1009931040, 1060427592, 1178252880, 1325534490, 1413903456, 1514896560, 1767379320, 2120855184, 2356505760, 2651068980, 3029793120, 3534758640, 4241710368, 5302137960, 7069517280, 10604275920, 21208551840]

約数ペア:

[(1, 21208551840), (2, 10604275920), (3, 7069517280), (4, 5302137960), (5, 4241710368), (6, 3534758640), (7, 3029793120), (8, 2651068980), (9, 2356505760), (10, 2120855184), (12, 1767379320), (14, 1514896560), (15, 1413903456), (16, 1325534490), (18, 1178252880), (20, 1060427592), (21, 1009931040), (24, 883689660), (27, 785501920), (28, 757448280), (30, 706951728), (32, 662767245), (35, 605958624), (36, 589126440), (40, 530213796), (42, 504965520), (45, 471301152), (48, 441844830), (54, 392750960), (56, 378724140), (60, 353475864), (63, 336643680), (70, 302979312), (72, 294563220), (80, 265106898), (84, 252482760), (90, 235650576), (96, 220922415), (105, 201986208), (108, 196375480), (112, 189362070), (120, 176737932), (126, 168321840), (135, 157100384), (140, 151489656), (144, 147281610), (160, 132553449), (168, 126241380), (180, 117825288), (189, 112214560), (210, 100993104), (216, 98187740), (224, 94681035), (240, 88368966), (252, 84160920), (270, 78550192), (280, 75744828), (288, 73640805), (315, 67328736), (336, 63120690), (360, 58912644), (378, 56107280), (420, 50496552), (432, 49093870), (480, 44184483), (504, 42080460), (540, 39275096), (560, 37872414), (630, 33664368), (672, 31560345), (720, 29456322), (756, 28053640), (840, 25248276), (864, 24546935), (945, 22442912), (1008, 21040230), (1080, 19637548), (1120, 18936207), (1260, 16832184), (1440, 14728161), (1512, 14026820), (1680, 12624138), (1890, 11221456), (2016, 10520115), (2160, 9818774), (2520, 8416092), (3024, 7013410), (3360, 6312069), (3780, 5610728), (4320, 4909387), (5040, 4208046), (6048, 3506705), (7560, 2805364), (10080, 2104023), (15120, 1402682), (30240, 701341)]