21554564

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{761}}^1$

素因数の和:935

約数の個数: 24

約数和(自身を含む): 38682168

約数和(自身を除く): 17127604

約数列:

[1, 2, 4, 73, 97, 146, 194, 292, 388, 761, 1522, 3044, 7081, 14162, 28324, 55553, 73817, 111106, 147634, 222212, 295268, 5388641, 10777282, 21554564]

約数ペア:

[(1, 21554564), (2, 10777282), (4, 5388641), (73, 295268), (97, 222212), (146, 147634), (194, 111106), (292, 73817), (388, 55553), (761, 28324), (1522, 14162), (3044, 7081)]