21993370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{829}}^1$

素因数の和:1222

約数の個数: 32

約数和(自身を含む): 45417600

約数和(自身を除く): 23424230

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 379, 758, 829, 1658, 1895, 2653, 3790, 4145, 5306, 5803, 8290, 11606, 13265, 26530, 29015, 58030, 314191, 628382, 1570955, 2199337, 3141910, 4398674, 10996685, 21993370]

約数ペア:

[(1, 21993370), (2, 10996685), (5, 4398674), (7, 3141910), (10, 2199337), (14, 1570955), (35, 628382), (70, 314191), (379, 58030), (758, 29015), (829, 26530), (1658, 13265), (1895, 11606), (2653, 8290), (3790, 5803), (4145, 5306)]