21492008

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{44041}}^1$

素因数の和:44108

約数の個数: 16

約数和(自身を含む): 40959060

約数和(自身を除く): 19467052

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 44041, 88082, 176164, 352328, 2686501, 5373002, 10746004, 21492008]

約数ペア:

[(1, 21492008), (2, 10746004), (4, 5373002), (8, 2686501), (61, 352328), (122, 176164), (244, 88082), (488, 44041)]