21000435480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1\times {\mathrm{1033}}^1$

素因数の和:1578

約数の個数: 192

約数和(自身を含む): 68957460000

約数和(自身を除く): 47957024520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 149, 180, 298, 360, 379, 447, 596, 745, 758, 894, 1033, 1137, 1192, 1341, 1490, 1516, 1788, 1895, 2066, 2235, 2274, 2682, 2980, 3032, 3099, 3411, 3576, 3790, 4132, 4470, 4548, 5165, 5364, 5685, 5960, 6198, 6705, 6822, 7580, 8264, 8940, 9096, 9297, 10330, 10728, 11370, 12396, 13410, 13644, 15160, 15495, 17055, 17880, 18594, 20660, 22740, 24792, 26820, 27288, 30990, 34110, 37188, 41320, 45480, 46485, 53640, 56471, 61980, 68220, 74376, 92970, 112942, 123960, 136440, 153917, 169413, 185940, 225884, 282355, 307834, 338826, 371880, 391507, 451768, 461751, 508239, 564710, 615668, 677652, 769585, 783014, 847065, 923502, 1016478, 1129420, 1174521, 1231336, 1355304, 1385253, 1539170, 1566028, 1694130, 1847004, 1957535, 2032956, 2258840, 2308755, 2349042, 2541195, 2770506, 3078340, 3132056, 3388260, 3523563, 3694008, 3915070, 4065912, 4617510, 4698084, 5082390, 5541012, 5872605, 6156680, 6776520, 6926265, 7047126, 7830140, 9235020, 9396168, 10164780, 11082024, 11745210, 13852530, 14094252, 15660280, 17617815, 18470040, 20329560, 23490420, 27705060, 28188504, 35235630, 46980840, 55410120, 58334543, 70471260, 116669086, 140942520, 175003629, 233338172, 291672715, 350007258, 466676344, 525010887, 583345430, 700014516, 875018145, 1050021774, 1166690860, 1400029032, 1750036290, 2100043548, 2333381720, 2625054435, 3500072580, 4200087096, 5250108870, 7000145160, 10500217740, 21000435480]

約数ペア:

[(1, 21000435480), (2, 10500217740), (3, 7000145160), (4, 5250108870), (5, 4200087096), (6, 3500072580), (8, 2625054435), (9, 2333381720), (10, 2100043548), (12, 1750036290), (15, 1400029032), (18, 1166690860), (20, 1050021774), (24, 875018145), (30, 700014516), (36, 583345430), (40, 525010887), (45, 466676344), (60, 350007258), (72, 291672715), (90, 233338172), (120, 175003629), (149, 140942520), (180, 116669086), (298, 70471260), (360, 58334543), (379, 55410120), (447, 46980840), (596, 35235630), (745, 28188504), (758, 27705060), (894, 23490420), (1033, 20329560), (1137, 18470040), (1192, 17617815), (1341, 15660280), (1490, 14094252), (1516, 13852530), (1788, 11745210), (1895, 11082024), (2066, 10164780), (2235, 9396168), (2274, 9235020), (2682, 7830140), (2980, 7047126), (3032, 6926265), (3099, 6776520), (3411, 6156680), (3576, 5872605), (3790, 5541012), (4132, 5082390), (4470, 4698084), (4548, 4617510), (5165, 4065912), (5364, 3915070), (5685, 3694008), (5960, 3523563), (6198, 3388260), (6705, 3132056), (6822, 3078340), (7580, 2770506), (8264, 2541195), (8940, 2349042), (9096, 2308755), (9297, 2258840), (10330, 2032956), (10728, 1957535), (11370, 1847004), (12396, 1694130), (13410, 1566028), (13644, 1539170), (15160, 1385253), (15495, 1355304), (17055, 1231336), (17880, 1174521), (18594, 1129420), (20660, 1016478), (22740, 923502), (24792, 847065), (26820, 783014), (27288, 769585), (30990, 677652), (34110, 615668), (37188, 564710), (41320, 508239), (45480, 461751), (46485, 451768), (53640, 391507), (56471, 371880), (61980, 338826), (68220, 307834), (74376, 282355), (92970, 225884), (112942, 185940), (123960, 169413), (136440, 153917)]