21067740218

素因数分解:

$2^1\times 7^2\times {\mathrm{607}}^1\times {\mathrm{354163}}^1$

素因数の和:354786

約数の個数: 24

約数和(自身を含む): 36821722752

約数和(自身を除く): 15753982534

約数列:

[1, 2, 7, 14, 49, 98, 607, 1214, 4249, 8498, 29743, 59486, 354163, 708326, 2479141, 4958282, 17353987, 34707974, 214976941, 429953882, 1504838587, 3009677174, 10533870109, 21067740218]

約数ペア:

[(1, 21067740218), (2, 10533870109), (7, 3009677174), (14, 1504838587), (49, 429953882), (98, 214976941), (607, 34707974), (1214, 17353987), (4249, 4958282), (8498, 2479141), (29743, 708326), (59486, 354163)]