21180044

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{173}}^1\times {\mathrm{241}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 37728768

約数和(自身を除く): 16548724

約数列:

[1, 2, 4, 127, 173, 241, 254, 346, 482, 508, 692, 964, 21971, 30607, 41693, 43942, 61214, 83386, 87884, 122428, 166772, 5295011, 10590022, 21180044]

約数ペア:

[(1, 21180044), (2, 10590022), (4, 5295011), (127, 166772), (173, 122428), (241, 87884), (254, 83386), (346, 61214), (482, 43942), (508, 41693), (692, 30607), (964, 21971)]