21685829

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1303}}^1$

素因数の和:1420

約数の個数: 16

約数和(自身を含む): 25349760

約数和(自身を除く): 3663931

約数列:

[1, 11, 17, 89, 187, 979, 1303, 1513, 14333, 16643, 22151, 115967, 243661, 1275637, 1971439, 21685829]

約数ペア:

[(1, 21685829), (11, 1971439), (17, 1275637), (89, 243661), (187, 115967), (979, 22151), (1303, 16643), (1513, 14333)]