21243517560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{111973}}^1$

素因数の和:112038

約数の個数: 192

約数和(自身を含む): 75461518080

約数和(自身を除く): 54218000520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 31, 34, 36, 40, 45, 51, 60, 62, 68, 72, 85, 90, 93, 102, 120, 124, 136, 153, 155, 170, 180, 186, 204, 248, 255, 279, 306, 310, 340, 360, 372, 408, 465, 510, 527, 558, 612, 620, 680, 744, 765, 930, 1020, 1054, 1116, 1224, 1240, 1395, 1530, 1581, 1860, 2040, 2108, 2232, 2635, 2790, 3060, 3162, 3720, 4216, 4743, 5270, 5580, 6120, 6324, 7905, 9486, 10540, 11160, 12648, 15810, 18972, 21080, 23715, 31620, 37944, 47430, 63240, 94860, 111973, 189720, 223946, 335919, 447892, 559865, 671838, 895784, 1007757, 1119730, 1343676, 1679595, 1903541, 2015514, 2239460, 2687352, 3359190, 3471163, 3807082, 4031028, 4478920, 5038785, 5710623, 6718380, 6942326, 7614164, 8062056, 9517705, 10077570, 10413489, 11421246, 13436760, 13884652, 15228328, 17131869, 17355815, 19035410, 20155140, 20826978, 22842492, 27769304, 28553115, 31240467, 34263738, 34711630, 38070820, 40310280, 41653956, 45684984, 52067445, 57106230, 59009771, 62480934, 68527476, 69423260, 76141640, 83307912, 85659345, 104134890, 114212460, 118019542, 124961868, 137054952, 138846520, 156202335, 171318690, 177029313, 208269780, 228424920, 236039084, 249923736, 295048855, 312404670, 342637380, 354058626, 416539560, 472078168, 531087939, 590097710, 624809340, 685274760, 708117252, 885146565, 1062175878, 1180195420, 1249618680, 1416234504, 1770293130, 2124351756, 2360390840, 2655439695, 3540586260, 4248703512, 5310879390, 7081172520, 10621758780, 21243517560]

約数ペア:

[(1, 21243517560), (2, 10621758780), (3, 7081172520), (4, 5310879390), (5, 4248703512), (6, 3540586260), (8, 2655439695), (9, 2360390840), (10, 2124351756), (12, 1770293130), (15, 1416234504), (17, 1249618680), (18, 1180195420), (20, 1062175878), (24, 885146565), (30, 708117252), (31, 685274760), (34, 624809340), (36, 590097710), (40, 531087939), (45, 472078168), (51, 416539560), (60, 354058626), (62, 342637380), (68, 312404670), (72, 295048855), (85, 249923736), (90, 236039084), (93, 228424920), (102, 208269780), (120, 177029313), (124, 171318690), (136, 156202335), (153, 138846520), (155, 137054952), (170, 124961868), (180, 118019542), (186, 114212460), (204, 104134890), (248, 85659345), (255, 83307912), (279, 76141640), (306, 69423260), (310, 68527476), (340, 62480934), (360, 59009771), (372, 57106230), (408, 52067445), (465, 45684984), (510, 41653956), (527, 40310280), (558, 38070820), (612, 34711630), (620, 34263738), (680, 31240467), (744, 28553115), (765, 27769304), (930, 22842492), (1020, 20826978), (1054, 20155140), (1116, 19035410), (1224, 17355815), (1240, 17131869), (1395, 15228328), (1530, 13884652), (1581, 13436760), (1860, 11421246), (2040, 10413489), (2108, 10077570), (2232, 9517705), (2635, 8062056), (2790, 7614164), (3060, 6942326), (3162, 6718380), (3720, 5710623), (4216, 5038785), (4743, 4478920), (5270, 4031028), (5580, 3807082), (6120, 3471163), (6324, 3359190), (7905, 2687352), (9486, 2239460), (10540, 2015514), (11160, 1903541), (12648, 1679595), (15810, 1343676), (18972, 1119730), (21080, 1007757), (23715, 895784), (31620, 671838), (37944, 559865), (47430, 447892), (63240, 335919), (94860, 223946), (111973, 189720)]