21047598

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:99

約数の個数: 144

約数和(自身を含む): 58580496

約数和(自身を除く): 37532898

約数列:

[1, 2, 3, 6, 9, 11, 13, 17, 18, 22, 26, 33, 34, 37, 39, 51, 66, 74, 78, 99, 102, 111, 117, 143, 153, 169, 187, 198, 221, 222, 234, 286, 306, 333, 338, 374, 407, 429, 442, 481, 507, 561, 629, 663, 666, 814, 858, 962, 1014, 1122, 1221, 1258, 1287, 1326, 1443, 1521, 1683, 1859, 1887, 1989, 2431, 2442, 2574, 2873, 2886, 3042, 3366, 3663, 3718, 3774, 3978, 4329, 4862, 5291, 5577, 5661, 5746, 6253, 6919, 7293, 7326, 8177, 8619, 8658, 10582, 11154, 11322, 12506, 13838, 14586, 15873, 16354, 16731, 17238, 18759, 20757, 21879, 24531, 25857, 31603, 31746, 33462, 37518, 41514, 43758, 47619, 49062, 51714, 56277, 62271, 63206, 68783, 73593, 89947, 94809, 95238, 106301, 112554, 124542, 137566, 147186, 179894, 189618, 206349, 212602, 269841, 284427, 318903, 412698, 539682, 568854, 619047, 637806, 809523, 956709, 1169311, 1238094, 1619046, 1913418, 2338622, 3507933, 7015866, 10523799, 21047598]

約数ペア:

[(1, 21047598), (2, 10523799), (3, 7015866), (6, 3507933), (9, 2338622), (11, 1913418), (13, 1619046), (17, 1238094), (18, 1169311), (22, 956709), (26, 809523), (33, 637806), (34, 619047), (37, 568854), (39, 539682), (51, 412698), (66, 318903), (74, 284427), (78, 269841), (99, 212602), (102, 206349), (111, 189618), (117, 179894), (143, 147186), (153, 137566), (169, 124542), (187, 112554), (198, 106301), (221, 95238), (222, 94809), (234, 89947), (286, 73593), (306, 68783), (333, 63206), (338, 62271), (374, 56277), (407, 51714), (429, 49062), (442, 47619), (481, 43758), (507, 41514), (561, 37518), (629, 33462), (663, 31746), (666, 31603), (814, 25857), (858, 24531), (962, 21879), (1014, 20757), (1122, 18759), (1221, 17238), (1258, 16731), (1287, 16354), (1326, 15873), (1443, 14586), (1521, 13838), (1683, 12506), (1859, 11322), (1887, 11154), (1989, 10582), (2431, 8658), (2442, 8619), (2574, 8177), (2873, 7326), (2886, 7293), (3042, 6919), (3366, 6253), (3663, 5746), (3718, 5661), (3774, 5577), (3978, 5291), (4329, 4862)]