17421943

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:403

約数の個数: 24

約数和(自身を含む): 22284416

約数和(自身を除く): 4862473

約数列:

[1, 7, 11, 67, 77, 121, 307, 469, 737, 847, 2149, 3377, 5159, 8107, 20569, 23639, 37147, 56749, 143983, 226259, 260029, 1583813, 2488849, 17421943]

約数ペア:

[(1, 17421943), (7, 2488849), (11, 1583813), (67, 260029), (77, 226259), (121, 143983), (307, 56749), (469, 37147), (737, 23639), (847, 20569), (2149, 8107), (3377, 5159)]