21901148

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{523}}^1$

素因数の和:594

約数の個数: 36

約数和(自身を含む): 41925240

約数和(自身を除く): 20024092

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 361, 523, 551, 722, 1046, 1102, 1444, 2092, 2204, 9937, 10469, 15167, 19874, 20938, 30334, 39748, 41876, 60668, 188803, 288173, 377606, 576346, 755212, 1152692, 5475287, 10950574, 21901148]

約数ペア:

[(1, 21901148), (2, 10950574), (4, 5475287), (19, 1152692), (29, 755212), (38, 576346), (58, 377606), (76, 288173), (116, 188803), (361, 60668), (523, 41876), (551, 39748), (722, 30334), (1046, 20938), (1102, 19874), (1444, 15167), (2092, 10469), (2204, 9937)]