21679743

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{11489}}^1$

素因数の和:11546

約数の個数: 16

約数和(自身を含む): 31436640

約数和(自身を除く): 9756897

約数列:

[1, 3, 17, 37, 51, 111, 629, 1887, 11489, 34467, 195313, 425093, 585939, 1275279, 7226581, 21679743]

約数ペア:

[(1, 21679743), (3, 7226581), (17, 1275279), (37, 585939), (51, 425093), (111, 195313), (629, 34467), (1887, 11489)]