21076848

素因数分解:

$2^4\times 3^6\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:178

約数の個数: 140

約数和(自身を含む): 66410680

約数和(自身を除く): 45333832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 81, 104, 108, 117, 139, 144, 156, 162, 208, 216, 234, 243, 278, 312, 324, 351, 417, 432, 468, 486, 556, 624, 648, 702, 729, 834, 936, 972, 1053, 1112, 1251, 1296, 1404, 1458, 1668, 1807, 1872, 1944, 2106, 2224, 2502, 2808, 2916, 3159, 3336, 3614, 3753, 3888, 4212, 5004, 5421, 5616, 5832, 6318, 6672, 7228, 7506, 8424, 9477, 10008, 10842, 11259, 11664, 12636, 14456, 15012, 16263, 16848, 18954, 20016, 21684, 22518, 25272, 28912, 30024, 32526, 33777, 37908, 43368, 45036, 48789, 50544, 60048, 65052, 67554, 75816, 86736, 90072, 97578, 101331, 130104, 135108, 146367, 151632, 180144, 195156, 202662, 260208, 270216, 292734, 390312, 405324, 439101, 540432, 585468, 780624, 810648, 878202, 1170936, 1317303, 1621296, 1756404, 2341872, 2634606, 3512808, 5269212, 7025616, 10538424, 21076848]

約数ペア:

[(1, 21076848), (2, 10538424), (3, 7025616), (4, 5269212), (6, 3512808), (8, 2634606), (9, 2341872), (12, 1756404), (13, 1621296), (16, 1317303), (18, 1170936), (24, 878202), (26, 810648), (27, 780624), (36, 585468), (39, 540432), (48, 439101), (52, 405324), (54, 390312), (72, 292734), (78, 270216), (81, 260208), (104, 202662), (108, 195156), (117, 180144), (139, 151632), (144, 146367), (156, 135108), (162, 130104), (208, 101331), (216, 97578), (234, 90072), (243, 86736), (278, 75816), (312, 67554), (324, 65052), (351, 60048), (417, 50544), (432, 48789), (468, 45036), (486, 43368), (556, 37908), (624, 33777), (648, 32526), (702, 30024), (729, 28912), (834, 25272), (936, 22518), (972, 21684), (1053, 20016), (1112, 18954), (1251, 16848), (1296, 16263), (1404, 15012), (1458, 14456), (1668, 12636), (1807, 11664), (1872, 11259), (1944, 10842), (2106, 10008), (2224, 9477), (2502, 8424), (2808, 7506), (2916, 7228), (3159, 6672), (3336, 6318), (3614, 5832), (3753, 5616), (3888, 5421), (4212, 5004)]