21831638

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{107}}^1\times {\mathrm{353}}^1$

素因数の和:496

約数の個数: 24

約数和(自身を含む): 35211672

約数和(自身を除く): 13380034

約数列:

[1, 2, 17, 34, 107, 214, 289, 353, 578, 706, 1819, 3638, 6001, 12002, 30923, 37771, 61846, 75542, 102017, 204034, 642107, 1284214, 10915819, 21831638]

約数ペア:

[(1, 21831638), (2, 10915819), (17, 1284214), (34, 642107), (107, 204034), (214, 102017), (289, 75542), (353, 61846), (578, 37771), (706, 30923), (1819, 12002), (3638, 6001)]