21171038

素因数分解:

$2^1\times 7^2\times {\mathrm{349}}^1\times {\mathrm{619}}^1$

素因数の和:984

約数の個数: 24

約数和(自身を含む): 37107000

約数和(自身を除く): 15935962

約数列:

[1, 2, 7, 14, 49, 98, 349, 619, 698, 1238, 2443, 4333, 4886, 8666, 17101, 30331, 34202, 60662, 216031, 432062, 1512217, 3024434, 10585519, 21171038]

約数ペア:

[(1, 21171038), (2, 10585519), (7, 3024434), (14, 1512217), (49, 432062), (98, 216031), (349, 60662), (619, 34202), (698, 30331), (1238, 17101), (2443, 8666), (4333, 4886)]