21088770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{7247}}^1$

素因数の和:7354

約数の個数: 32

約数和(自身を含む): 51141888

約数和(自身を除く): 30053118

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 97, 194, 291, 485, 582, 970, 1455, 2910, 7247, 14494, 21741, 36235, 43482, 72470, 108705, 217410, 702959, 1405918, 2108877, 3514795, 4217754, 7029590, 10544385, 21088770]

約数ペア:

[(1, 21088770), (2, 10544385), (3, 7029590), (5, 4217754), (6, 3514795), (10, 2108877), (15, 1405918), (30, 702959), (97, 217410), (194, 108705), (291, 72470), (485, 43482), (582, 36235), (970, 21741), (1455, 14494), (2910, 7247)]