21075750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:88

約数の個数: 192

約数和(自身を含む): 65707200

約数和(自身を除く): 44631450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 19, 25, 29, 30, 34, 38, 45, 50, 51, 57, 58, 75, 85, 87, 90, 95, 102, 114, 125, 145, 150, 153, 170, 171, 174, 190, 225, 250, 255, 261, 285, 290, 306, 323, 342, 375, 425, 435, 450, 475, 493, 510, 522, 551, 570, 646, 725, 750, 765, 850, 855, 870, 950, 969, 986, 1102, 1125, 1275, 1305, 1425, 1450, 1479, 1530, 1615, 1653, 1710, 1938, 2125, 2175, 2250, 2375, 2465, 2550, 2610, 2755, 2850, 2907, 2958, 3230, 3306, 3625, 3825, 4250, 4275, 4350, 4437, 4750, 4845, 4930, 4959, 5510, 5814, 6375, 6525, 7125, 7250, 7395, 7650, 8075, 8265, 8550, 8874, 9367, 9690, 9918, 10875, 12325, 12750, 13050, 13775, 14250, 14535, 14790, 16150, 16530, 18734, 19125, 21375, 21750, 22185, 24225, 24650, 24795, 27550, 28101, 29070, 32625, 36975, 38250, 40375, 41325, 42750, 44370, 46835, 48450, 49590, 56202, 61625, 65250, 68875, 72675, 73950, 80750, 82650, 84303, 93670, 110925, 121125, 123250, 123975, 137750, 140505, 145350, 168606, 184875, 206625, 221850, 234175, 242250, 247950, 281010, 363375, 369750, 413250, 421515, 468350, 554625, 619875, 702525, 726750, 843030, 1109250, 1170875, 1239750, 1405050, 2107575, 2341750, 3512625, 4215150, 7025250, 10537875, 21075750]

約数ペア:

[(1, 21075750), (2, 10537875), (3, 7025250), (5, 4215150), (6, 3512625), (9, 2341750), (10, 2107575), (15, 1405050), (17, 1239750), (18, 1170875), (19, 1109250), (25, 843030), (29, 726750), (30, 702525), (34, 619875), (38, 554625), (45, 468350), (50, 421515), (51, 413250), (57, 369750), (58, 363375), (75, 281010), (85, 247950), (87, 242250), (90, 234175), (95, 221850), (102, 206625), (114, 184875), (125, 168606), (145, 145350), (150, 140505), (153, 137750), (170, 123975), (171, 123250), (174, 121125), (190, 110925), (225, 93670), (250, 84303), (255, 82650), (261, 80750), (285, 73950), (290, 72675), (306, 68875), (323, 65250), (342, 61625), (375, 56202), (425, 49590), (435, 48450), (450, 46835), (475, 44370), (493, 42750), (510, 41325), (522, 40375), (551, 38250), (570, 36975), (646, 32625), (725, 29070), (750, 28101), (765, 27550), (850, 24795), (855, 24650), (870, 24225), (950, 22185), (969, 21750), (986, 21375), (1102, 19125), (1125, 18734), (1275, 16530), (1305, 16150), (1425, 14790), (1450, 14535), (1479, 14250), (1530, 13775), (1615, 13050), (1653, 12750), (1710, 12325), (1938, 10875), (2125, 9918), (2175, 9690), (2250, 9367), (2375, 8874), (2465, 8550), (2550, 8265), (2610, 8075), (2755, 7650), (2850, 7395), (2907, 7250), (2958, 7125), (3230, 6525), (3306, 6375), (3625, 5814), (3825, 5510), (4250, 4959), (4275, 4930), (4350, 4845), (4437, 4750)]