21359030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27739}}^1$

素因数の和:27764

約数の個数: 32

約数和(自身を含む): 47934720

約数和(自身を除く): 26575690

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 27739, 55478, 138695, 194173, 277390, 305129, 388346, 610258, 970865, 1525645, 1941730, 2135903, 3051290, 4271806, 10679515, 21359030]

約数ペア:

[(1, 21359030), (2, 10679515), (5, 4271806), (7, 3051290), (10, 2135903), (11, 1941730), (14, 1525645), (22, 970865), (35, 610258), (55, 388346), (70, 305129), (77, 277390), (110, 194173), (154, 138695), (385, 55478), (770, 27739)]