21592585

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2843}}^1$

素因数の和:2893

約数の個数: 24

約数和(自身を含む): 31124736

約数和(自身を除く): 9532151

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 245, 1085, 1519, 2843, 7595, 14215, 19901, 88133, 99505, 139307, 440665, 616931, 696535, 3084655, 4318517, 21592585]

約数ペア:

[(1, 21592585), (5, 4318517), (7, 3084655), (31, 696535), (35, 616931), (49, 440665), (155, 139307), (217, 99505), (245, 88133), (1085, 19901), (1519, 14215), (2843, 7595)]