21945315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7207}}^1$

素因数の和:7251

約数の個数: 32

約数和(自身を含む): 41518080

約数和(自身を除く): 19572765

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 1015, 3045, 7207, 21621, 36035, 50449, 108105, 151347, 209003, 252245, 627009, 756735, 1045015, 1463021, 3135045, 4389063, 7315105, 21945315]

約数ペア:

[(1, 21945315), (3, 7315105), (5, 4389063), (7, 3135045), (15, 1463021), (21, 1045015), (29, 756735), (35, 627009), (87, 252245), (105, 209003), (145, 151347), (203, 108105), (435, 50449), (609, 36035), (1015, 21621), (3045, 7207)]