21455916

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{25183}}^1$

素因数の和:25261

約数の個数: 24

約数和(自身を含む): 50770944

約数和(自身を除く): 29315028

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 25183, 50366, 75549, 100732, 151098, 302196, 1787993, 3575986, 5363979, 7151972, 10727958, 21455916]

約数ペア:

[(1, 21455916), (2, 10727958), (3, 7151972), (4, 5363979), (6, 3575986), (12, 1787993), (71, 302196), (142, 151098), (213, 100732), (284, 75549), (426, 50366), (852, 25183)]