21755684

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{9871}}^1$

素因数の和:9923

約数の個数: 24

約数和(自身を含む): 41462400

約数和(自身を除く): 19706716

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 551, 1102, 2204, 9871, 19742, 39484, 187549, 286259, 375098, 572518, 750196, 1145036, 5438921, 10877842, 21755684]

約数ペア:

[(1, 21755684), (2, 10877842), (4, 5438921), (19, 1145036), (29, 750196), (38, 572518), (58, 375098), (76, 286259), (116, 187549), (551, 39484), (1102, 19742), (2204, 9871)]