21130165035

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{7453321}}^1$

素因数の和:7453345

約数の個数: 40

約数和(自身を含む): 43288894176

約数和(自身を除く): 22158729141

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 7453321, 22359963, 37266605, 52173247, 67079889, 111799815, 156519741, 201239667, 260866235, 335399445, 469559223, 603719001, 782598705, 1006198335, 1408677669, 2347796115, 3018595005, 4226033007, 7043388345, 21130165035]

約数ペア:

[(1, 21130165035), (3, 7043388345), (5, 4226033007), (7, 3018595005), (9, 2347796115), (15, 1408677669), (21, 1006198335), (27, 782598705), (35, 603719001), (45, 469559223), (63, 335399445), (81, 260866235), (105, 201239667), (135, 156519741), (189, 111799815), (315, 67079889), (405, 52173247), (567, 37266605), (945, 22359963), (2835, 7453321)]