21103110

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:123

約数の個数: 192

約数和(自身を含む): 69189120

約数和(自身を除く): 48086010

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 41, 42, 43, 45, 57, 63, 70, 82, 86, 90, 95, 105, 114, 123, 126, 129, 133, 171, 190, 205, 210, 215, 246, 258, 266, 285, 287, 301, 315, 342, 369, 387, 399, 410, 430, 570, 574, 602, 615, 630, 645, 665, 738, 774, 779, 798, 817, 855, 861, 903, 1197, 1230, 1290, 1330, 1435, 1505, 1558, 1634, 1710, 1722, 1763, 1806, 1845, 1935, 1995, 2337, 2394, 2451, 2583, 2709, 2870, 3010, 3526, 3690, 3870, 3895, 3990, 4085, 4305, 4515, 4674, 4902, 5166, 5289, 5418, 5453, 5719, 5985, 7011, 7353, 7790, 8170, 8610, 8815, 9030, 10578, 10906, 11438, 11685, 11970, 12255, 12341, 12915, 13545, 14022, 14706, 15867, 16359, 17157, 17630, 23370, 24510, 24682, 25830, 26445, 27090, 27265, 28595, 31734, 32718, 33497, 34314, 35055, 36765, 37023, 49077, 51471, 52890, 54530, 57190, 61705, 66994, 70110, 73530, 74046, 79335, 81795, 85785, 98154, 100491, 102942, 111069, 123410, 158670, 163590, 167485, 171570, 185115, 200982, 222138, 234479, 245385, 257355, 301473, 334970, 370230, 468958, 490770, 502455, 514710, 555345, 602946, 703437, 1004910, 1110690, 1172395, 1406874, 1507365, 2110311, 2344790, 3014730, 3517185, 4220622, 7034370, 10551555, 21103110]

約数ペア:

[(1, 21103110), (2, 10551555), (3, 7034370), (5, 4220622), (6, 3517185), (7, 3014730), (9, 2344790), (10, 2110311), (14, 1507365), (15, 1406874), (18, 1172395), (19, 1110690), (21, 1004910), (30, 703437), (35, 602946), (38, 555345), (41, 514710), (42, 502455), (43, 490770), (45, 468958), (57, 370230), (63, 334970), (70, 301473), (82, 257355), (86, 245385), (90, 234479), (95, 222138), (105, 200982), (114, 185115), (123, 171570), (126, 167485), (129, 163590), (133, 158670), (171, 123410), (190, 111069), (205, 102942), (210, 100491), (215, 98154), (246, 85785), (258, 81795), (266, 79335), (285, 74046), (287, 73530), (301, 70110), (315, 66994), (342, 61705), (369, 57190), (387, 54530), (399, 52890), (410, 51471), (430, 49077), (570, 37023), (574, 36765), (602, 35055), (615, 34314), (630, 33497), (645, 32718), (665, 31734), (738, 28595), (774, 27265), (779, 27090), (798, 26445), (817, 25830), (855, 24682), (861, 24510), (903, 23370), (1197, 17630), (1230, 17157), (1290, 16359), (1330, 15867), (1435, 14706), (1505, 14022), (1558, 13545), (1634, 12915), (1710, 12341), (1722, 12255), (1763, 11970), (1806, 11685), (1845, 11438), (1935, 10906), (1995, 10578), (2337, 9030), (2394, 8815), (2451, 8610), (2583, 8170), (2709, 7790), (2870, 7353), (3010, 7011), (3526, 5985), (3690, 5719), (3870, 5453), (3895, 5418), (3990, 5289), (4085, 5166), (4305, 4902), (4515, 4674)]