21207732

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19421}}^1$

素因数の和:19448

約数の個数: 48

約数和(自身を含む): 60907392

約数和(自身を除く): 39699660

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 19421, 38842, 58263, 77684, 116526, 135947, 233052, 252473, 271894, 407841, 504946, 543788, 757419, 815682, 1009892, 1514838, 1631364, 1767311, 3029676, 3534622, 5301933, 7069244, 10603866, 21207732]

約数ペア:

[(1, 21207732), (2, 10603866), (3, 7069244), (4, 5301933), (6, 3534622), (7, 3029676), (12, 1767311), (13, 1631364), (14, 1514838), (21, 1009892), (26, 815682), (28, 757419), (39, 543788), (42, 504946), (52, 407841), (78, 271894), (84, 252473), (91, 233052), (156, 135947), (182, 116526), (273, 77684), (364, 58263), (546, 38842), (1092, 19421)]