21619065

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3823}}^1$

素因数の和:3873

約数の個数: 32

約数和(自身を含む): 38545920

約数和(自身を除く): 16926855

約数列:

[1, 3, 5, 13, 15, 29, 39, 65, 87, 145, 195, 377, 435, 1131, 1885, 3823, 5655, 11469, 19115, 49699, 57345, 110867, 149097, 248495, 332601, 554335, 745485, 1441271, 1663005, 4323813, 7206355, 21619065]

約数ペア:

[(1, 21619065), (3, 7206355), (5, 4323813), (13, 1663005), (15, 1441271), (29, 745485), (39, 554335), (65, 332601), (87, 248495), (145, 149097), (195, 110867), (377, 57345), (435, 49699), (1131, 19115), (1885, 11469), (3823, 5655)]