21167373871

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{2273}}^1\times {\mathrm{70019}}^1$

素因数の和:72318

約数の個数: 16

約数和(自身を含む): 25476076800

約数和(自身を除く): 4308702929

約数列:

[1, 7, 19, 133, 2273, 15911, 43187, 70019, 302309, 490133, 1330361, 9312527, 159153187, 1114072309, 3023910553, 21167373871]

約数ペア:

[(1, 21167373871), (7, 3023910553), (19, 1114072309), (133, 159153187), (2273, 9312527), (15911, 1330361), (43187, 490133), (70019, 302309)]