2021232010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{28874743}}^1$

素因数の和:28874757

約数の個数: 16

約数和(自身を含む): 4157963136

約数和(自身を除く): 2136731126

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 28874743, 57749486, 144373715, 202123201, 288747430, 404246402, 1010616005, 2021232010]

約数ペア:

[(1, 2021232010), (2, 1010616005), (5, 404246402), (7, 288747430), (10, 202123201), (14, 144373715), (35, 57749486), (70, 28874743)]