21012176

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{69119}}^1$

素因数の和:69146

約数の個数: 20

約数和(自身を含む): 42854400

約数和(自身を除く): 21842224

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 69119, 138238, 276476, 552952, 1105904, 1313261, 2626522, 5253044, 10506088, 21012176]

約数ペア:

[(1, 21012176), (2, 10506088), (4, 5253044), (8, 2626522), (16, 1313261), (19, 1105904), (38, 552952), (76, 276476), (152, 138238), (304, 69119)]