21803366

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:536

約数の個数: 24

約数和(自身を含む): 35693784

約数和(自身を除く): 13890418

約数列:

[1, 2, 13, 26, 169, 251, 257, 338, 502, 514, 3263, 3341, 6526, 6682, 42419, 43433, 64507, 84838, 86866, 129014, 838591, 1677182, 10901683, 21803366]

約数ペア:

[(1, 21803366), (2, 10901683), (13, 1677182), (26, 838591), (169, 129014), (251, 86866), (257, 84838), (338, 64507), (502, 43433), (514, 42419), (3263, 6682), (3341, 6526)]