21534450

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{20509}}^1$

素因数の和:20531

約数の個数: 48

約数和(自身を含む): 61037760

約数和(自身を除く): 39503310

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 210, 350, 525, 1050, 20509, 41018, 61527, 102545, 123054, 143563, 205090, 287126, 307635, 430689, 512725, 615270, 717815, 861378, 1025450, 1435630, 1538175, 2153445, 3076350, 3589075, 4306890, 7178150, 10767225, 21534450]

約数ペア:

[(1, 21534450), (2, 10767225), (3, 7178150), (5, 4306890), (6, 3589075), (7, 3076350), (10, 2153445), (14, 1538175), (15, 1435630), (21, 1025450), (25, 861378), (30, 717815), (35, 615270), (42, 512725), (50, 430689), (70, 307635), (75, 287126), (105, 205090), (150, 143563), (175, 123054), (210, 102545), (350, 61527), (525, 41018), (1050, 20509)]