21362565

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6563}}^1$

素因数の和:6609

約数の個数: 32

約数和(自身を含む): 40329216

約数和(自身を除く): 18966651

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 6563, 19689, 32815, 45941, 98445, 137823, 203453, 229705, 610359, 689115, 1017265, 1424171, 3051795, 4272513, 7120855, 21362565]

約数ペア:

[(1, 21362565), (3, 7120855), (5, 4272513), (7, 3051795), (15, 1424171), (21, 1017265), (31, 689115), (35, 610359), (93, 229705), (105, 203453), (155, 137823), (217, 98445), (465, 45941), (651, 32815), (1085, 19689), (3255, 6563)]