21299635

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 30707712

約数和(自身を除く): 9408077

約数列:

[1, 5, 7, 31, 35, 67, 155, 217, 293, 335, 469, 1085, 1465, 2051, 2077, 2345, 9083, 10255, 10385, 14539, 19631, 45415, 63581, 72695, 98155, 137417, 317905, 608561, 687085, 3042805, 4259927, 21299635]

約数ペア:

[(1, 21299635), (5, 4259927), (7, 3042805), (31, 687085), (35, 608561), (67, 317905), (155, 137417), (217, 98155), (293, 72695), (335, 63581), (469, 45415), (1085, 19631), (1465, 14539), (2051, 10385), (2077, 10255), (2345, 9083)]