21325682

素因数分解:

$2^1\times 7^4\times {\mathrm{4441}}^1$

素因数の和:4471

約数の個数: 20

約数和(自身を含む): 37326126

約数和(自身を除く): 16000444

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 4441, 4802, 8882, 31087, 62174, 217609, 435218, 1523263, 3046526, 10662841, 21325682]

約数ペア:

[(1, 21325682), (2, 10662841), (7, 3046526), (14, 1523263), (49, 435218), (98, 217609), (343, 62174), (686, 31087), (2401, 8882), (4441, 4802)]