21421322

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 36865920

約数和(自身を除く): 15444598

約数列:

[1, 2, 13, 19, 26, 38, 103, 206, 247, 421, 494, 842, 1339, 1957, 2678, 3914, 5473, 7999, 10946, 15998, 25441, 43363, 50882, 86726, 103987, 207974, 563719, 823897, 1127438, 1647794, 10710661, 21421322]

約数ペア:

[(1, 21421322), (2, 10710661), (13, 1647794), (19, 1127438), (26, 823897), (38, 563719), (103, 207974), (206, 103987), (247, 86726), (421, 50882), (494, 43363), (842, 25441), (1339, 15998), (1957, 10946), (2678, 7999), (3914, 5473)]