21884760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:138

約数の個数: 192

約数和(自身を含む): 76826880

約数和(自身を除く): 54942120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 37, 40, 45, 53, 60, 62, 72, 74, 90, 93, 106, 111, 120, 124, 148, 155, 159, 180, 185, 186, 212, 222, 248, 265, 279, 296, 310, 318, 333, 360, 370, 372, 424, 444, 465, 477, 530, 555, 558, 620, 636, 666, 740, 744, 795, 888, 930, 954, 1060, 1110, 1116, 1147, 1240, 1272, 1332, 1395, 1480, 1590, 1643, 1665, 1860, 1908, 1961, 2120, 2220, 2232, 2294, 2385, 2664, 2790, 3180, 3286, 3330, 3441, 3720, 3816, 3922, 4440, 4588, 4770, 4929, 5580, 5735, 5883, 6360, 6572, 6660, 6882, 7844, 8215, 9176, 9540, 9805, 9858, 10323, 11160, 11470, 11766, 13144, 13320, 13764, 14787, 15688, 16430, 17205, 17649, 19080, 19610, 19716, 20646, 22940, 23532, 24645, 27528, 29415, 29574, 32860, 34410, 35298, 39220, 39432, 41292, 45880, 47064, 49290, 51615, 58830, 59148, 60791, 65720, 68820, 70596, 73935, 78440, 82584, 88245, 98580, 103230, 117660, 118296, 121582, 137640, 141192, 147870, 176490, 182373, 197160, 206460, 235320, 243164, 295740, 303955, 352980, 364746, 412920, 486328, 547119, 591480, 607910, 705960, 729492, 911865, 1094238, 1215820, 1458984, 1823730, 2188476, 2431640, 2735595, 3647460, 4376952, 5471190, 7294920, 10942380, 21884760]

約数ペア:

[(1, 21884760), (2, 10942380), (3, 7294920), (4, 5471190), (5, 4376952), (6, 3647460), (8, 2735595), (9, 2431640), (10, 2188476), (12, 1823730), (15, 1458984), (18, 1215820), (20, 1094238), (24, 911865), (30, 729492), (31, 705960), (36, 607910), (37, 591480), (40, 547119), (45, 486328), (53, 412920), (60, 364746), (62, 352980), (72, 303955), (74, 295740), (90, 243164), (93, 235320), (106, 206460), (111, 197160), (120, 182373), (124, 176490), (148, 147870), (155, 141192), (159, 137640), (180, 121582), (185, 118296), (186, 117660), (212, 103230), (222, 98580), (248, 88245), (265, 82584), (279, 78440), (296, 73935), (310, 70596), (318, 68820), (333, 65720), (360, 60791), (370, 59148), (372, 58830), (424, 51615), (444, 49290), (465, 47064), (477, 45880), (530, 41292), (555, 39432), (558, 39220), (620, 35298), (636, 34410), (666, 32860), (740, 29574), (744, 29415), (795, 27528), (888, 24645), (930, 23532), (954, 22940), (1060, 20646), (1110, 19716), (1116, 19610), (1147, 19080), (1240, 17649), (1272, 17205), (1332, 16430), (1395, 15688), (1480, 14787), (1590, 13764), (1643, 13320), (1665, 13144), (1860, 11766), (1908, 11470), (1961, 11160), (2120, 10323), (2220, 9858), (2232, 9805), (2294, 9540), (2385, 9176), (2664, 8215), (2790, 7844), (3180, 6882), (3286, 6660), (3330, 6572), (3441, 6360), (3720, 5883), (3816, 5735), (3922, 5580), (4440, 4929), (4588, 4770)]