21534591

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{3517}}^1$

素因数の和:3690

約数の個数: 16

約数和(自身を含む): 31127264

約数和(自身を除く): 9592673

約数列:

[1, 3, 13, 39, 157, 471, 2041, 3517, 6123, 10551, 45721, 137163, 552169, 1656507, 7178197, 21534591]

約数ペア:

[(1, 21534591), (3, 7178197), (13, 1656507), (39, 552169), (157, 137163), (471, 45721), (2041, 10551), (3517, 6123)]