21742035

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{29581}}^1$

素因数の和:29603

約数の個数: 24

約数和(自身を含む): 40468176

約数和(自身を除く): 18726141

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 29581, 88743, 147905, 207067, 443715, 621201, 1035335, 1449469, 3106005, 4348407, 7247345, 21742035]

約数ペア:

[(1, 21742035), (3, 7247345), (5, 4348407), (7, 3106005), (15, 1449469), (21, 1035335), (35, 621201), (49, 443715), (105, 207067), (147, 147905), (245, 88743), (735, 29581)]