21002982

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{269}}^1$

素因数の和:318

約数の個数: 96

約数和(自身を含む): 56920320

約数和(自身を除く): 35917338

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 66, 77, 78, 91, 143, 154, 169, 182, 231, 269, 273, 286, 338, 429, 462, 507, 538, 546, 807, 858, 1001, 1014, 1183, 1614, 1859, 1883, 2002, 2366, 2959, 3003, 3497, 3549, 3718, 3766, 5577, 5649, 5918, 6006, 6994, 7098, 8877, 10491, 11154, 11298, 13013, 17754, 20713, 20982, 24479, 26026, 38467, 39039, 41426, 45461, 48958, 62139, 73437, 76934, 78078, 90922, 115401, 124278, 136383, 146874, 230802, 269269, 272766, 318227, 500071, 538538, 636454, 807807, 954681, 1000142, 1500213, 1615614, 1909362, 3000426, 3500497, 7000994, 10501491, 21002982]

約数ペア:

[(1, 21002982), (2, 10501491), (3, 7000994), (6, 3500497), (7, 3000426), (11, 1909362), (13, 1615614), (14, 1500213), (21, 1000142), (22, 954681), (26, 807807), (33, 636454), (39, 538538), (42, 500071), (66, 318227), (77, 272766), (78, 269269), (91, 230802), (143, 146874), (154, 136383), (169, 124278), (182, 115401), (231, 90922), (269, 78078), (273, 76934), (286, 73437), (338, 62139), (429, 48958), (462, 45461), (507, 41426), (538, 39039), (546, 38467), (807, 26026), (858, 24479), (1001, 20982), (1014, 20713), (1183, 17754), (1614, 13013), (1859, 11298), (1883, 11154), (2002, 10491), (2366, 8877), (2959, 7098), (3003, 6994), (3497, 6006), (3549, 5918), (3718, 5649), (3766, 5577)]