21295575

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{4507}}^1$

素因数の和:4533

約数の個数: 48

約数和(自身を含む): 44719360

約数和(自身を除く): 23423785

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 525, 675, 945, 1575, 4507, 4725, 13521, 22535, 31549, 40563, 67605, 94647, 112675, 121689, 157745, 202815, 283941, 338025, 473235, 608445, 788725, 851823, 1014075, 1419705, 2366175, 3042225, 4259115, 7098525, 21295575]

約数ペア:

[(1, 21295575), (3, 7098525), (5, 4259115), (7, 3042225), (9, 2366175), (15, 1419705), (21, 1014075), (25, 851823), (27, 788725), (35, 608445), (45, 473235), (63, 338025), (75, 283941), (105, 202815), (135, 157745), (175, 121689), (189, 112675), (225, 94647), (315, 67605), (525, 40563), (675, 31549), (945, 22535), (1575, 13521), (4507, 4725)]