21149718

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{2027}}^1$

素因数の和:2116

約数の個数: 32

約数和(自身を含む): 44388864

約数和(自身を除く): 23239146

約数列:

[1, 2, 3, 6, 37, 47, 74, 94, 111, 141, 222, 282, 1739, 2027, 3478, 4054, 5217, 6081, 10434, 12162, 74999, 95269, 149998, 190538, 224997, 285807, 449994, 571614, 3524953, 7049906, 10574859, 21149718]

約数ペア:

[(1, 21149718), (2, 10574859), (3, 7049906), (6, 3524953), (37, 571614), (47, 449994), (74, 285807), (94, 224997), (111, 190538), (141, 149998), (222, 95269), (282, 74999), (1739, 12162), (2027, 10434), (3478, 6081), (4054, 5217)]