21235935

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{769}}^1$

素因数の和:1047

約数の個数: 32

約数和(自身を含む): 39029760

約数和(自身を除く): 17793825

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 263, 769, 789, 1315, 1841, 2307, 3845, 3945, 5383, 5523, 9205, 11535, 16149, 26915, 27615, 80745, 202247, 606741, 1011235, 1415729, 3033705, 4247187, 7078645, 21235935]

約数ペア:

[(1, 21235935), (3, 7078645), (5, 4247187), (7, 3033705), (15, 1415729), (21, 1011235), (35, 606741), (105, 202247), (263, 80745), (769, 27615), (789, 26915), (1315, 16149), (1841, 11535), (2307, 9205), (3845, 5523), (3945, 5383)]