21915038

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{367}}^1\times {\mathrm{409}}^1$

素因数の和:851

約数の個数: 16

約数和(自身を含む): 33495360

約数和(自身を除く): 11580322

約数列:

[1, 2, 73, 146, 367, 409, 734, 818, 26791, 29857, 53582, 59714, 150103, 300206, 10957519, 21915038]

約数ペア:

[(1, 21915038), (2, 10957519), (73, 300206), (146, 150103), (367, 59714), (409, 53582), (734, 29857), (818, 26791)]