21776163

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{907}}^1$

素因数の和:1114

約数の個数: 16

約数和(自身を含む): 29811456

約数和(自身を除く): 8035293

約数列:

[1, 3, 53, 151, 159, 453, 907, 2721, 8003, 24009, 48071, 136957, 144213, 410871, 7258721, 21776163]

約数ペア:

[(1, 21776163), (3, 7258721), (53, 410871), (151, 144213), (159, 136957), (453, 48071), (907, 24009), (2721, 8003)]