21554732

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{317}}^1$

素因数の和:601

約数の個数: 24

約数和(自身を含む): 38465280

約数和(自身を除く): 16910548

約数列:

[1, 2, 4, 89, 178, 191, 317, 356, 382, 634, 764, 1268, 16999, 28213, 33998, 56426, 60547, 67996, 112852, 121094, 242188, 5388683, 10777366, 21554732]

約数ペア:

[(1, 21554732), (2, 10777366), (4, 5388683), (89, 242188), (178, 121094), (191, 112852), (317, 67996), (356, 60547), (382, 56426), (634, 33998), (764, 28213), (1268, 16999)]