21577913

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{1013}}^1$

素因数の和:1216

約数の個数: 16

約数和(自身を含む): 26282880

約数和(自身を除く): 4704967

約数列:

[1, 7, 17, 119, 179, 1013, 1253, 3043, 7091, 17221, 21301, 120547, 181327, 1269289, 3082559, 21577913]

約数ペア:

[(1, 21577913), (7, 3082559), (17, 1269289), (119, 181327), (179, 120547), (1013, 21301), (1253, 17221), (3043, 7091)]