21203692

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1913}}^1$

素因数の和:2097

約数の個数: 24

約数和(自身を含む): 39550896

約数和(自身を除く): 18347204

約数列:

[1, 2, 4, 17, 34, 68, 163, 326, 652, 1913, 2771, 3826, 5542, 7652, 11084, 32521, 65042, 130084, 311819, 623638, 1247276, 5300923, 10601846, 21203692]

約数ペア:

[(1, 21203692), (2, 10601846), (4, 5300923), (17, 1247276), (34, 623638), (68, 311819), (163, 130084), (326, 65042), (652, 32521), (1913, 11084), (2771, 7652), (3826, 5542)]