21178434

素因数分解:

$2^1\times 3^1\times {\mathrm{1201}}^1\times {\mathrm{2939}}^1$

素因数の和:4145

約数の個数: 16

約数和(自身を含む): 42406560

約数和(自身を除く): 21228126

約数列:

[1, 2, 3, 6, 1201, 2402, 2939, 3603, 5878, 7206, 8817, 17634, 3529739, 7059478, 10589217, 21178434]

約数ペア:

[(1, 21178434), (2, 10589217), (3, 7059478), (6, 3529739), (1201, 17634), (2402, 8817), (2939, 7206), (3603, 5878)]