21340106460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{240479}}^1$

素因数の和:240540

約数の個数: 144

約数和(自身を含む): 70903123200

約数和(自身を除く): 49563016740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 29, 30, 34, 36, 45, 51, 58, 60, 68, 85, 87, 90, 102, 116, 145, 153, 170, 174, 180, 204, 255, 261, 290, 306, 340, 348, 435, 493, 510, 522, 580, 612, 765, 870, 986, 1020, 1044, 1305, 1479, 1530, 1740, 1972, 2465, 2610, 2958, 3060, 4437, 4930, 5220, 5916, 7395, 8874, 9860, 14790, 17748, 22185, 29580, 44370, 88740, 240479, 480958, 721437, 961916, 1202395, 1442874, 2164311, 2404790, 2885748, 3607185, 4088143, 4328622, 4809580, 6973891, 7214370, 8176286, 8657244, 10821555, 12264429, 13947782, 14428740, 16352572, 20440715, 20921673, 21643110, 24528858, 27895564, 34869455, 36793287, 40881430, 41843346, 43286220, 49057716, 61322145, 62765019, 69738910, 73586574, 81762860, 83686692, 104608365, 118556147, 122644290, 125530038, 139477820, 147173148, 183966435, 209216730, 237112294, 245288580, 251060076, 313825095, 355668441, 367932870, 418433460, 474224588, 592780735, 627650190, 711336882, 735865740, 1067005323, 1185561470, 1255300380, 1422673764, 1778342205, 2134010646, 2371122940, 3556684410, 4268021292, 5335026615, 7113368820, 10670053230, 21340106460]

約数ペア:

[(1, 21340106460), (2, 10670053230), (3, 7113368820), (4, 5335026615), (5, 4268021292), (6, 3556684410), (9, 2371122940), (10, 2134010646), (12, 1778342205), (15, 1422673764), (17, 1255300380), (18, 1185561470), (20, 1067005323), (29, 735865740), (30, 711336882), (34, 627650190), (36, 592780735), (45, 474224588), (51, 418433460), (58, 367932870), (60, 355668441), (68, 313825095), (85, 251060076), (87, 245288580), (90, 237112294), (102, 209216730), (116, 183966435), (145, 147173148), (153, 139477820), (170, 125530038), (174, 122644290), (180, 118556147), (204, 104608365), (255, 83686692), (261, 81762860), (290, 73586574), (306, 69738910), (340, 62765019), (348, 61322145), (435, 49057716), (493, 43286220), (510, 41843346), (522, 40881430), (580, 36793287), (612, 34869455), (765, 27895564), (870, 24528858), (986, 21643110), (1020, 20921673), (1044, 20440715), (1305, 16352572), (1479, 14428740), (1530, 13947782), (1740, 12264429), (1972, 10821555), (2465, 8657244), (2610, 8176286), (2958, 7214370), (3060, 6973891), (4437, 4809580), (4930, 4328622), (5220, 4088143), (5916, 3607185), (7395, 2885748), (8874, 2404790), (9860, 2164311), (14790, 1442874), (17748, 1202395), (22185, 961916), (29580, 721437), (44370, 480958), (88740, 240479)]