21618352

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10159}}^1$

素因数の和:10193

約数の個数: 40

約数和(自身を含む): 50393600

約数和(自身を除く): 28775248

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 10159, 20318, 40636, 71113, 81272, 142226, 162544, 193021, 284452, 386042, 568904, 772084, 1137808, 1351147, 1544168, 2702294, 3088336, 5404588, 10809176, 21618352]

約数ペア:

[(1, 21618352), (2, 10809176), (4, 5404588), (7, 3088336), (8, 2702294), (14, 1544168), (16, 1351147), (19, 1137808), (28, 772084), (38, 568904), (56, 386042), (76, 284452), (112, 193021), (133, 162544), (152, 142226), (266, 81272), (304, 71113), (532, 40636), (1064, 20318), (2128, 10159)]