21163316

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:559

約数の個数: 24

約数和(自身を含む): 37721376

約数和(自身を除く): 16558060

約数列:

[1, 2, 4, 107, 197, 214, 251, 394, 428, 502, 788, 1004, 21079, 26857, 42158, 49447, 53714, 84316, 98894, 107428, 197788, 5290829, 10581658, 21163316]

約数ペア:

[(1, 21163316), (2, 10581658), (4, 5290829), (107, 197788), (197, 107428), (214, 98894), (251, 84316), (394, 53714), (428, 49447), (502, 42158), (788, 26857), (1004, 21079)]