21797958

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:158

約数の個数: 96

約数和(自身を含む): 56077056

約数和(自身を除く): 34279098

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 37, 39, 42, 74, 78, 83, 91, 111, 166, 169, 182, 222, 249, 259, 273, 338, 481, 498, 507, 518, 546, 581, 777, 962, 1014, 1079, 1162, 1183, 1443, 1554, 1743, 2158, 2366, 2886, 3071, 3237, 3367, 3486, 3549, 6142, 6253, 6474, 6734, 7098, 7553, 9213, 10101, 12506, 14027, 15106, 18426, 18759, 20202, 21497, 22659, 28054, 37518, 39923, 42081, 42994, 43771, 45318, 64491, 79846, 84162, 87542, 98189, 119769, 128982, 131313, 196378, 239538, 262626, 279461, 294567, 518999, 558922, 589134, 838383, 1037998, 1556997, 1676766, 3113994, 3632993, 7265986, 10898979, 21797958]

約数ペア:

[(1, 21797958), (2, 10898979), (3, 7265986), (6, 3632993), (7, 3113994), (13, 1676766), (14, 1556997), (21, 1037998), (26, 838383), (37, 589134), (39, 558922), (42, 518999), (74, 294567), (78, 279461), (83, 262626), (91, 239538), (111, 196378), (166, 131313), (169, 128982), (182, 119769), (222, 98189), (249, 87542), (259, 84162), (273, 79846), (338, 64491), (481, 45318), (498, 43771), (507, 42994), (518, 42081), (546, 39923), (581, 37518), (777, 28054), (962, 22659), (1014, 21497), (1079, 20202), (1162, 18759), (1183, 18426), (1443, 15106), (1554, 14027), (1743, 12506), (2158, 10101), (2366, 9213), (2886, 7553), (3071, 7098), (3237, 6734), (3367, 6474), (3486, 6253), (3549, 6142)]