21106095

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2237}}^1$

素因数の和:2299

約数の個数: 32

約数和(自身を含む): 36739008

約数和(自身を除く): 15632913

約数列:

[1, 3, 5, 15, 17, 37, 51, 85, 111, 185, 255, 555, 629, 1887, 2237, 3145, 6711, 9435, 11185, 33555, 38029, 82769, 114087, 190145, 248307, 413845, 570435, 1241535, 1407073, 4221219, 7035365, 21106095]

約数ペア:

[(1, 21106095), (3, 7035365), (5, 4221219), (15, 1407073), (17, 1241535), (37, 570435), (51, 413845), (85, 248307), (111, 190145), (185, 114087), (255, 82769), (555, 38029), (629, 33555), (1887, 11185), (2237, 9435), (3145, 6711)]