21981606

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{159287}}^1$

素因数の和:159315

約数の個数: 16

約数和(自身を含む): 45874944

約数和(自身を除く): 23893338

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 159287, 318574, 477861, 955722, 3663601, 7327202, 10990803, 21981606]

約数ペア:

[(1, 21981606), (2, 10990803), (3, 7327202), (6, 3663601), (23, 955722), (46, 477861), (69, 318574), (138, 159287)]