21572166

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{881}}^1$

素因数の和:957

約数の個数: 64

約数和(自身を含む): 54867456

約数和(自身を除く): 33295290

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 53, 66, 77, 106, 154, 159, 231, 318, 371, 462, 583, 742, 881, 1113, 1166, 1749, 1762, 2226, 2643, 3498, 4081, 5286, 6167, 8162, 9691, 12243, 12334, 18501, 19382, 24486, 29073, 37002, 46693, 58146, 67837, 93386, 135674, 140079, 203511, 280158, 326851, 407022, 513623, 653702, 980553, 1027246, 1540869, 1961106, 3081738, 3595361, 7190722, 10786083, 21572166]

約数ペア:

[(1, 21572166), (2, 10786083), (3, 7190722), (6, 3595361), (7, 3081738), (11, 1961106), (14, 1540869), (21, 1027246), (22, 980553), (33, 653702), (42, 513623), (53, 407022), (66, 326851), (77, 280158), (106, 203511), (154, 140079), (159, 135674), (231, 93386), (318, 67837), (371, 58146), (462, 46693), (583, 37002), (742, 29073), (881, 24486), (1113, 19382), (1166, 18501), (1749, 12334), (1762, 12243), (2226, 9691), (2643, 8162), (3498, 6167), (4081, 5286)]