21249956

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{58379}}^1$

素因数の和:58403

約数の個数: 24

約数和(自身を含む): 45769920

約数和(自身を除く): 24519964

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 58379, 116758, 233516, 408653, 758927, 817306, 1517854, 1634612, 3035708, 5312489, 10624978, 21249956]

約数ペア:

[(1, 21249956), (2, 10624978), (4, 5312489), (7, 3035708), (13, 1634612), (14, 1517854), (26, 817306), (28, 758927), (52, 408653), (91, 233516), (182, 116758), (364, 58379)]