21574846

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1987}}^1$

素因数の和:2139

約数の個数: 16

約数和(自身を含む): 33279120

約数和(自身を除く): 11704274

約数列:

[1, 2, 61, 89, 122, 178, 1987, 3974, 5429, 10858, 121207, 176843, 242414, 353686, 10787423, 21574846]

約数ペア:

[(1, 21574846), (2, 10787423), (61, 353686), (89, 242414), (122, 176843), (178, 121207), (1987, 10858), (3974, 5429)]