21497798

素因数分解:

$2^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 37822464

約数和(自身を除く): 16324666

約数列:

[1, 2, 7, 14, 107, 113, 127, 214, 226, 254, 749, 791, 889, 1498, 1582, 1778, 12091, 13589, 14351, 24182, 27178, 28702, 84637, 95123, 100457, 169274, 190246, 200914, 1535557, 3071114, 10748899, 21497798]

約数ペア:

[(1, 21497798), (2, 10748899), (7, 3071114), (14, 1535557), (107, 200914), (113, 190246), (127, 169274), (214, 100457), (226, 95123), (254, 84637), (749, 28702), (791, 27178), (889, 24182), (1498, 14351), (1582, 13589), (1778, 12091)]