211218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:166

約数の個数: 32

約数和(自身を含む): 497664

約数和(自身を除く): 286446

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 107, 141, 214, 282, 321, 329, 642, 658, 749, 987, 1498, 1974, 2247, 4494, 5029, 10058, 15087, 30174, 35203, 70406, 105609, 211218]

約数ペア:

[(1, 211218), (2, 105609), (3, 70406), (6, 35203), (7, 30174), (14, 15087), (21, 10058), (42, 5029), (47, 4494), (94, 2247), (107, 1974), (141, 1498), (214, 987), (282, 749), (321, 658), (329, 642)]