21646016

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2543}}^1$

素因数の和:2581

約数の個数: 56

約数和(自身を含む): 51694080

約数和(自身を除く): 30048064

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 133, 152, 224, 266, 304, 448, 532, 608, 1064, 1216, 2128, 2543, 4256, 5086, 8512, 10172, 17801, 20344, 35602, 40688, 48317, 71204, 81376, 96634, 142408, 162752, 193268, 284816, 338219, 386536, 569632, 676438, 773072, 1139264, 1352876, 1546144, 2705752, 3092288, 5411504, 10823008, 21646016]

約数ペア:

[(1, 21646016), (2, 10823008), (4, 5411504), (7, 3092288), (8, 2705752), (14, 1546144), (16, 1352876), (19, 1139264), (28, 773072), (32, 676438), (38, 569632), (56, 386536), (64, 338219), (76, 284816), (112, 193268), (133, 162752), (152, 142408), (224, 96634), (266, 81376), (304, 71204), (448, 48317), (532, 40688), (608, 35602), (1064, 20344), (1216, 17801), (2128, 10172), (2543, 8512), (4256, 5086)]