21356300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{30509}}^1$

素因数の和:30530

約数の個数: 36

約数和(自身を含む): 52965360

約数和(自身を除く): 31609060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 30509, 61018, 122036, 152545, 213563, 305090, 427126, 610180, 762725, 854252, 1067815, 1525450, 2135630, 3050900, 4271260, 5339075, 10678150, 21356300]

約数ペア:

[(1, 21356300), (2, 10678150), (4, 5339075), (5, 4271260), (7, 3050900), (10, 2135630), (14, 1525450), (20, 1067815), (25, 854252), (28, 762725), (35, 610180), (50, 427126), (70, 305090), (100, 213563), (140, 152545), (175, 122036), (350, 61018), (700, 30509)]