21097005

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15803}}^1$

素因数の和:15900

約数の個数: 16

約数和(自身を含む): 34136640

約数和(自身を除く): 13039635

約数列:

[1, 3, 5, 15, 89, 267, 445, 1335, 15803, 47409, 79015, 237045, 1406467, 4219401, 7032335, 21097005]

約数ペア:

[(1, 21097005), (3, 7032335), (5, 4219401), (15, 1406467), (89, 237045), (267, 79015), (445, 47409), (1335, 15803)]