21540326

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:568

約数の個数: 24

約数和(自身を含む): 34813800

約数和(自身を除く): 13273474

約数列:

[1, 2, 17, 34, 83, 166, 289, 449, 578, 898, 1411, 2822, 7633, 15266, 23987, 37267, 47974, 74534, 129761, 259522, 633539, 1267078, 10770163, 21540326]

約数ペア:

[(1, 21540326), (2, 10770163), (17, 1267078), (34, 633539), (83, 259522), (166, 129761), (289, 74534), (449, 47974), (578, 37267), (898, 23987), (1411, 15266), (2822, 7633)]