21977214

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{283}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 51610752

約数和(自身を除く): 29633538

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 283, 301, 566, 602, 849, 903, 1698, 1806, 1849, 1981, 3698, 3962, 5547, 5943, 11094, 11886, 12169, 12943, 24338, 25886, 36507, 38829, 73014, 77658, 85183, 170366, 255549, 511098, 523267, 1046534, 1569801, 3139602, 3662869, 7325738, 10988607, 21977214]

約数ペア:

[(1, 21977214), (2, 10988607), (3, 7325738), (6, 3662869), (7, 3139602), (14, 1569801), (21, 1046534), (42, 523267), (43, 511098), (86, 255549), (129, 170366), (258, 85183), (283, 77658), (301, 73014), (566, 38829), (602, 36507), (849, 25886), (903, 24338), (1698, 12943), (1806, 12169), (1849, 11886), (1981, 11094), (3698, 5943), (3962, 5547)]