21091080147357

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{739}}^1\times {\mathrm{1303}}^1\times {\mathrm{663737}}^1$

素因数の和:665793

約数の個数: 32

約数和(自身を含む): 30743069783040

約数和(自身を除く): 9651989635683

約数列:

[1, 3, 11, 33, 739, 1303, 2217, 3909, 8129, 14333, 24387, 42999, 663737, 962917, 1991211, 2888751, 7301107, 10592087, 21903321, 31776261, 490501643, 864849311, 1471504929, 2594547933, 5395518073, 9513342421, 16186554219, 28540027263, 639123640829, 1917370922487, 7030360049119, 21091080147357]

約数ペア:

[(1, 21091080147357), (3, 7030360049119), (11, 1917370922487), (33, 639123640829), (739, 28540027263), (1303, 16186554219), (2217, 9513342421), (3909, 5395518073), (8129, 2594547933), (14333, 1471504929), (24387, 864849311), (42999, 490501643), (663737, 31776261), (962917, 21903321), (1991211, 10592087), (2888751, 7301107)]