21382095

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6569}}^1$

素因数の和:6615

約数の個数: 32

約数和(自身を含む): 40366080

約数和(自身を除く): 18983985

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 6569, 19707, 32845, 45983, 98535, 137949, 203639, 229915, 610917, 689745, 1018195, 1425473, 3054585, 4276419, 7127365, 21382095]

約数ペア:

[(1, 21382095), (3, 7127365), (5, 4276419), (7, 3054585), (15, 1425473), (21, 1018195), (31, 689745), (35, 610917), (93, 229915), (105, 203639), (155, 137949), (217, 98535), (465, 45983), (651, 32845), (1085, 19707), (3255, 6569)]