21000953376

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^1\times {\mathrm{1327}}^1\times {\mathrm{1409}}^1$

素因数の和:2768

約数の個数: 192

約数和(自身を含む): 66061094400

約数和(自身を除く): 45060141024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 96, 104, 108, 117, 144, 156, 208, 216, 234, 288, 312, 351, 416, 432, 468, 624, 702, 864, 936, 1248, 1327, 1404, 1409, 1872, 2654, 2808, 2818, 3744, 3981, 4227, 5308, 5616, 5636, 7962, 8454, 10616, 11232, 11272, 11943, 12681, 15924, 16908, 17251, 18317, 21232, 22544, 23886, 25362, 31848, 33816, 34502, 35829, 36634, 38043, 42464, 45088, 47772, 50724, 51753, 54951, 63696, 67632, 69004, 71658, 73268, 76086, 95544, 101448, 103506, 109902, 127392, 135264, 138008, 143316, 146536, 152172, 155259, 164853, 191088, 202896, 207012, 219804, 276016, 286632, 293072, 304344, 310518, 329706, 382176, 405792, 414024, 439608, 465777, 494559, 552032, 573264, 586144, 608688, 621036, 659412, 828048, 879216, 931554, 989118, 1146528, 1217376, 1242072, 1318824, 1656096, 1758432, 1863108, 1869743, 1978236, 2484144, 2637648, 3726216, 3739486, 3956472, 4968288, 5275296, 5609229, 7452432, 7478972, 7912944, 11218458, 14904864, 14957944, 15825888, 16827687, 22436916, 24306659, 29915888, 33655374, 44873832, 48613318, 50483061, 59831776, 67310748, 72919977, 89747664, 97226636, 100966122, 134621496, 145839954, 179495328, 194453272, 201932244, 218759931, 269242992, 291679908, 388906544, 403864488, 437519862, 538485984, 583359816, 656279793, 777813088, 807728976, 875039724, 1166719632, 1312559586, 1615457952, 1750079448, 2333439264, 2625119172, 3500158896, 5250238344, 7000317792, 10500476688, 21000953376]

約数ペア:

[(1, 21000953376), (2, 10500476688), (3, 7000317792), (4, 5250238344), (6, 3500158896), (8, 2625119172), (9, 2333439264), (12, 1750079448), (13, 1615457952), (16, 1312559586), (18, 1166719632), (24, 875039724), (26, 807728976), (27, 777813088), (32, 656279793), (36, 583359816), (39, 538485984), (48, 437519862), (52, 403864488), (54, 388906544), (72, 291679908), (78, 269242992), (96, 218759931), (104, 201932244), (108, 194453272), (117, 179495328), (144, 145839954), (156, 134621496), (208, 100966122), (216, 97226636), (234, 89747664), (288, 72919977), (312, 67310748), (351, 59831776), (416, 50483061), (432, 48613318), (468, 44873832), (624, 33655374), (702, 29915888), (864, 24306659), (936, 22436916), (1248, 16827687), (1327, 15825888), (1404, 14957944), (1409, 14904864), (1872, 11218458), (2654, 7912944), (2808, 7478972), (2818, 7452432), (3744, 5609229), (3981, 5275296), (4227, 4968288), (5308, 3956472), (5616, 3739486), (5636, 3726216), (7962, 2637648), (8454, 2484144), (10616, 1978236), (11232, 1869743), (11272, 1863108), (11943, 1758432), (12681, 1656096), (15924, 1318824), (16908, 1242072), (17251, 1217376), (18317, 1146528), (21232, 989118), (22544, 931554), (23886, 879216), (25362, 828048), (31848, 659412), (33816, 621036), (34502, 608688), (35829, 586144), (36634, 573264), (38043, 552032), (42464, 494559), (45088, 465777), (47772, 439608), (50724, 414024), (51753, 405792), (54951, 382176), (63696, 329706), (67632, 310518), (69004, 304344), (71658, 293072), (73268, 286632), (76086, 276016), (95544, 219804), (101448, 207012), (103506, 202896), (109902, 191088), (127392, 164853), (135264, 155259), (138008, 152172), (143316, 146536)]