21344162

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 37635840

約数和(自身を除く): 16291678

約数列:

[1, 2, 7, 14, 71, 109, 142, 197, 218, 394, 497, 763, 994, 1379, 1526, 2758, 7739, 13987, 15478, 21473, 27974, 42946, 54173, 97909, 108346, 150311, 195818, 300622, 1524583, 3049166, 10672081, 21344162]

約数ペア:

[(1, 21344162), (2, 10672081), (7, 3049166), (14, 1524583), (71, 300622), (109, 195818), (142, 150311), (197, 108346), (218, 97909), (394, 54173), (497, 42946), (763, 27974), (994, 21473), (1379, 15478), (1526, 13987), (2758, 7739)]