21256788

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{36151}}^1$

素因数の和:36172

約数の個数: 36

約数和(自身を含む): 57698592

約数和(自身を除く): 36441804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 36151, 72302, 108453, 144604, 216906, 253057, 433812, 506114, 759171, 1012228, 1518342, 1771399, 3036684, 3542798, 5314197, 7085596, 10628394, 21256788]

約数ペア:

[(1, 21256788), (2, 10628394), (3, 7085596), (4, 5314197), (6, 3542798), (7, 3036684), (12, 1771399), (14, 1518342), (21, 1012228), (28, 759171), (42, 506114), (49, 433812), (84, 253057), (98, 216906), (147, 144604), (196, 108453), (294, 72302), (588, 36151)]