21119338

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:286

約数の個数: 32

約数和(自身を含む): 34781184

約数和(自身を除く): 13661846

約数列:

[1, 2, 17, 34, 67, 73, 127, 134, 146, 254, 1139, 1241, 2159, 2278, 2482, 4318, 4891, 8509, 9271, 9782, 17018, 18542, 83147, 144653, 157607, 166294, 289306, 315214, 621157, 1242314, 10559669, 21119338]

約数ペア:

[(1, 21119338), (2, 10559669), (17, 1242314), (34, 621157), (67, 315214), (73, 289306), (127, 166294), (134, 157607), (146, 144653), (254, 83147), (1139, 18542), (1241, 17018), (2159, 9782), (2278, 9271), (2482, 8509), (4318, 4891)]