21137482

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{269}}^1\times {\mathrm{389}}^1$

素因数の和:761

約数の個数: 16

約数和(自身を含む): 32221800

約数和(自身を除く): 11084318

約数列:

[1, 2, 101, 202, 269, 389, 538, 778, 27169, 39289, 54338, 78578, 104641, 209282, 10568741, 21137482]

約数ペア:

[(1, 21137482), (2, 10568741), (101, 209282), (202, 104641), (269, 78578), (389, 54338), (538, 39289), (778, 27169)]