21400335

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14411}}^1$

素因数の和:14436

約数の個数: 32

約数和(自身を含む): 41506560

約数和(自身を除く): 20106225

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 14411, 43233, 72055, 129699, 158521, 216165, 389097, 475563, 648495, 792605, 1426689, 1945485, 2377815, 4280067, 7133445, 21400335]

約数ペア:

[(1, 21400335), (3, 7133445), (5, 4280067), (9, 2377815), (11, 1945485), (15, 1426689), (27, 792605), (33, 648495), (45, 475563), (55, 389097), (99, 216165), (135, 158521), (165, 129699), (297, 72055), (495, 43233), (1485, 14411)]