21318034

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{8831}}^1$

素因数の和:8921

約数の個数: 16

約数和(自身を含む): 34338816

約数和(自身を除く): 13020782

約数列:

[1, 2, 17, 34, 71, 142, 1207, 2414, 8831, 17662, 150127, 300254, 627001, 1254002, 10659017, 21318034]

約数ペア:

[(1, 21318034), (2, 10659017), (17, 1254002), (34, 627001), (71, 300254), (142, 150127), (1207, 17662), (2414, 8831)]