21015502

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:492

約数の個数: 24

約数和(自身を含む): 33907536

約数和(自身を除く): 12892034

約数列:

[1, 2, 17, 34, 103, 206, 289, 353, 578, 706, 1751, 3502, 6001, 12002, 29767, 36359, 59534, 72718, 102017, 204034, 618103, 1236206, 10507751, 21015502]

約数ペア:

[(1, 21015502), (2, 10507751), (17, 1236206), (34, 618103), (103, 204034), (206, 102017), (289, 72718), (353, 59534), (578, 36359), (706, 29767), (1751, 12002), (3502, 6001)]