21512514

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{210907}}^1$

素因数の和:210929

約数の個数: 16

約数和(自身を含む): 45556128

約数和(自身を除く): 24043614

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 210907, 421814, 632721, 1265442, 3585419, 7170838, 10756257, 21512514]

約数ペア:

[(1, 21512514), (2, 10756257), (3, 7170838), (6, 3585419), (17, 1265442), (34, 632721), (51, 421814), (102, 210907)]