21950985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{11003}}^1$

素因数の和:11037

約数の個数: 32

約数和(自身を含む): 42255360

約数和(自身を除く): 20304375

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 11003, 33009, 55015, 77021, 165045, 209057, 231063, 385105, 627171, 1045285, 1155315, 1463399, 3135855, 4390197, 7316995, 21950985]

約数ペア:

[(1, 21950985), (3, 7316995), (5, 4390197), (7, 3135855), (15, 1463399), (19, 1155315), (21, 1045285), (35, 627171), (57, 385105), (95, 231063), (105, 209057), (133, 165045), (285, 77021), (399, 55015), (665, 33009), (1995, 11003)]