21392130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1429}}^1$

素因数の和:1938

約数の個数: 32

約数和(自身を含む): 51480000

約数和(自身を除く): 30087870

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 499, 998, 1429, 1497, 2495, 2858, 2994, 4287, 4990, 7145, 7485, 8574, 14290, 14970, 21435, 42870, 713071, 1426142, 2139213, 3565355, 4278426, 7130710, 10696065, 21392130]

約数ペア:

[(1, 21392130), (2, 10696065), (3, 7130710), (5, 4278426), (6, 3565355), (10, 2139213), (15, 1426142), (30, 713071), (499, 42870), (998, 21435), (1429, 14970), (1497, 14290), (2495, 8574), (2858, 7485), (2994, 7145), (4287, 4990)]