21948360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:120

約数の個数: 256

約数和(自身を含む): 83980800

約数和(自身を除く): 62032440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 29, 30, 34, 35, 40, 42, 51, 53, 56, 58, 60, 68, 70, 84, 85, 87, 102, 105, 106, 116, 119, 120, 136, 140, 145, 159, 168, 170, 174, 203, 204, 210, 212, 232, 238, 255, 265, 280, 290, 318, 340, 348, 357, 371, 406, 408, 420, 424, 435, 476, 493, 510, 530, 580, 595, 609, 636, 680, 696, 714, 742, 795, 812, 840, 870, 901, 952, 986, 1015, 1020, 1060, 1113, 1160, 1190, 1218, 1272, 1428, 1479, 1484, 1537, 1590, 1624, 1740, 1785, 1802, 1855, 1972, 2030, 2040, 2120, 2226, 2380, 2436, 2465, 2703, 2856, 2958, 2968, 3045, 3074, 3180, 3451, 3480, 3570, 3604, 3710, 3944, 4060, 4452, 4505, 4611, 4760, 4872, 4930, 5406, 5565, 5916, 6090, 6148, 6307, 6360, 6902, 7140, 7208, 7395, 7420, 7685, 8120, 8904, 9010, 9222, 9860, 10353, 10759, 10812, 11130, 11832, 12180, 12296, 12614, 13515, 13804, 14280, 14790, 14840, 15370, 17255, 18020, 18444, 18921, 19720, 20706, 21518, 21624, 22260, 23055, 24360, 25228, 26129, 27030, 27608, 29580, 30740, 31535, 32277, 34510, 36040, 36888, 37842, 41412, 43036, 44520, 46110, 50456, 51765, 52258, 53795, 54060, 59160, 61480, 63070, 64554, 69020, 75684, 78387, 82824, 86072, 92220, 94605, 103530, 104516, 107590, 108120, 126140, 129108, 130645, 138040, 151368, 156774, 161385, 182903, 184440, 189210, 207060, 209032, 215180, 252280, 258216, 261290, 313548, 322770, 365806, 378420, 391935, 414120, 430360, 522580, 548709, 627096, 645540, 731612, 756840, 783870, 914515, 1045160, 1097418, 1291080, 1463224, 1567740, 1829030, 2194836, 2743545, 3135480, 3658060, 4389672, 5487090, 7316120, 10974180, 21948360]

約数ペア:

[(1, 21948360), (2, 10974180), (3, 7316120), (4, 5487090), (5, 4389672), (6, 3658060), (7, 3135480), (8, 2743545), (10, 2194836), (12, 1829030), (14, 1567740), (15, 1463224), (17, 1291080), (20, 1097418), (21, 1045160), (24, 914515), (28, 783870), (29, 756840), (30, 731612), (34, 645540), (35, 627096), (40, 548709), (42, 522580), (51, 430360), (53, 414120), (56, 391935), (58, 378420), (60, 365806), (68, 322770), (70, 313548), (84, 261290), (85, 258216), (87, 252280), (102, 215180), (105, 209032), (106, 207060), (116, 189210), (119, 184440), (120, 182903), (136, 161385), (140, 156774), (145, 151368), (159, 138040), (168, 130645), (170, 129108), (174, 126140), (203, 108120), (204, 107590), (210, 104516), (212, 103530), (232, 94605), (238, 92220), (255, 86072), (265, 82824), (280, 78387), (290, 75684), (318, 69020), (340, 64554), (348, 63070), (357, 61480), (371, 59160), (406, 54060), (408, 53795), (420, 52258), (424, 51765), (435, 50456), (476, 46110), (493, 44520), (510, 43036), (530, 41412), (580, 37842), (595, 36888), (609, 36040), (636, 34510), (680, 32277), (696, 31535), (714, 30740), (742, 29580), (795, 27608), (812, 27030), (840, 26129), (870, 25228), (901, 24360), (952, 23055), (986, 22260), (1015, 21624), (1020, 21518), (1060, 20706), (1113, 19720), (1160, 18921), (1190, 18444), (1218, 18020), (1272, 17255), (1428, 15370), (1479, 14840), (1484, 14790), (1537, 14280), (1590, 13804), (1624, 13515), (1740, 12614), (1785, 12296), (1802, 12180), (1855, 11832), (1972, 11130), (2030, 10812), (2040, 10759), (2120, 10353), (2226, 9860), (2380, 9222), (2436, 9010), (2465, 8904), (2703, 8120), (2856, 7685), (2958, 7420), (2968, 7395), (3045, 7208), (3074, 7140), (3180, 6902), (3451, 6360), (3480, 6307), (3570, 6148), (3604, 6090), (3710, 5916), (3944, 5565), (4060, 5406), (4452, 4930), (4505, 4872), (4611, 4760)]