21106085

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4217}}^1$

素因数の和:4253

約数の個数: 32

約数和(自身を含む): 34013952

約数和(自身を除く): 12907867

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 4217, 5005, 21085, 29519, 46387, 54821, 147595, 231935, 274105, 324709, 383747, 603031, 1623545, 1918735, 3015155, 4221217, 21106085]

約数ペア:

[(1, 21106085), (5, 4221217), (7, 3015155), (11, 1918735), (13, 1623545), (35, 603031), (55, 383747), (65, 324709), (77, 274105), (91, 231935), (143, 147595), (385, 54821), (455, 46387), (715, 29519), (1001, 21085), (4217, 5005)]