21795566

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{9419}}^1$

素因数の和:9523

約数の個数: 16

約数和(自身を含む): 35607600

約数和(自身を除く): 13812034

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 9419, 18838, 122447, 244894, 838291, 1676582, 10897783, 21795566]

約数ペア:

[(1, 21795566), (2, 10897783), (13, 1676582), (26, 838291), (89, 244894), (178, 122447), (1157, 18838), (2314, 9419)]