21817512

素因数分解:

$2^3\times 3^7\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:99

約数の個数: 128

約数和(自身を含む): 64944000

約数和(自身を除く): 43126488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 36, 43, 54, 58, 72, 81, 86, 87, 108, 116, 129, 162, 172, 174, 216, 232, 243, 258, 261, 324, 344, 348, 387, 486, 516, 522, 648, 696, 729, 774, 783, 972, 1032, 1044, 1161, 1247, 1458, 1548, 1566, 1944, 2088, 2187, 2322, 2349, 2494, 2916, 3096, 3132, 3483, 3741, 4374, 4644, 4698, 4988, 5832, 6264, 6966, 7047, 7482, 8748, 9288, 9396, 9976, 10449, 11223, 13932, 14094, 14964, 17496, 18792, 20898, 21141, 22446, 27864, 28188, 29928, 31347, 33669, 41796, 42282, 44892, 56376, 62694, 63423, 67338, 83592, 84564, 89784, 94041, 101007, 125388, 126846, 134676, 169128, 188082, 202014, 250776, 253692, 269352, 303021, 376164, 404028, 507384, 606042, 752328, 808056, 909063, 1212084, 1818126, 2424168, 2727189, 3636252, 5454378, 7272504, 10908756, 21817512]

約数ペア:

[(1, 21817512), (2, 10908756), (3, 7272504), (4, 5454378), (6, 3636252), (8, 2727189), (9, 2424168), (12, 1818126), (18, 1212084), (24, 909063), (27, 808056), (29, 752328), (36, 606042), (43, 507384), (54, 404028), (58, 376164), (72, 303021), (81, 269352), (86, 253692), (87, 250776), (108, 202014), (116, 188082), (129, 169128), (162, 134676), (172, 126846), (174, 125388), (216, 101007), (232, 94041), (243, 89784), (258, 84564), (261, 83592), (324, 67338), (344, 63423), (348, 62694), (387, 56376), (486, 44892), (516, 42282), (522, 41796), (648, 33669), (696, 31347), (729, 29928), (774, 28188), (783, 27864), (972, 22446), (1032, 21141), (1044, 20898), (1161, 18792), (1247, 17496), (1458, 14964), (1548, 14094), (1566, 13932), (1944, 11223), (2088, 10449), (2187, 9976), (2322, 9396), (2349, 9288), (2494, 8748), (2916, 7482), (3096, 7047), (3132, 6966), (3483, 6264), (3741, 5832), (4374, 4988), (4644, 4698)]