21233205

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{22469}}^1$

素因数の和:22490

約数の個数: 32

約数和(自身を含む): 43142400

約数和(自身を除く): 21909195

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 22469, 67407, 112345, 157283, 202221, 337035, 471849, 606663, 786415, 1011105, 1415547, 2359245, 3033315, 4246641, 7077735, 21233205]

約数ペア:

[(1, 21233205), (3, 7077735), (5, 4246641), (7, 3033315), (9, 2359245), (15, 1415547), (21, 1011105), (27, 786415), (35, 606663), (45, 471849), (63, 337035), (105, 202221), (135, 157283), (189, 112345), (315, 67407), (945, 22469)]