21544026

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{577}}^1$

素因数の和:723

約数の個数: 48

約数和(自身を含む): 50605056

約数和(自身を除く): 29061030

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 127, 147, 254, 294, 381, 577, 762, 889, 1154, 1731, 1778, 2667, 3462, 4039, 5334, 6223, 8078, 12117, 12446, 18669, 24234, 28273, 37338, 56546, 73279, 84819, 146558, 169638, 219837, 439674, 512953, 1025906, 1538859, 3077718, 3590671, 7181342, 10772013, 21544026]

約数ペア:

[(1, 21544026), (2, 10772013), (3, 7181342), (6, 3590671), (7, 3077718), (14, 1538859), (21, 1025906), (42, 512953), (49, 439674), (98, 219837), (127, 169638), (147, 146558), (254, 84819), (294, 73279), (381, 56546), (577, 37338), (762, 28273), (889, 24234), (1154, 18669), (1731, 12446), (1778, 12117), (2667, 8078), (3462, 6223), (4039, 5334)]