21167368780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{62256967}}^1$

素因数の和:62256993

約数の個数: 24

約数和(自身を含む): 47066267808

約数和(自身を除く): 25898899028

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 62256967, 124513934, 249027868, 311284835, 622569670, 1058368439, 1245139340, 2116736878, 4233473756, 5291842195, 10583684390, 21167368780]

約数ペア:

[(1, 21167368780), (2, 10583684390), (4, 5291842195), (5, 4233473756), (10, 2116736878), (17, 1245139340), (20, 1058368439), (34, 622569670), (68, 311284835), (85, 249027868), (170, 124513934), (340, 62256967)]