20421912

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{121559}}^1$

素因数の和:121575

約数の個数: 32

約数和(自身を含む): 58348800

約数和(自身を除く): 37926888

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 121559, 243118, 364677, 486236, 729354, 850913, 972472, 1458708, 1701826, 2552739, 2917416, 3403652, 5105478, 6807304, 10210956, 20421912]

約数ペア:

[(1, 20421912), (2, 10210956), (3, 6807304), (4, 5105478), (6, 3403652), (7, 2917416), (8, 2552739), (12, 1701826), (14, 1458708), (21, 972472), (24, 850913), (28, 729354), (42, 486236), (56, 364677), (84, 243118), (168, 121559)]