21549814

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{499}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 38304000

約数和(自身を除く): 16754186

約数列:

[1, 2, 11, 13, 22, 26, 143, 151, 286, 302, 499, 998, 1661, 1963, 3322, 3926, 5489, 6487, 10978, 12974, 21593, 43186, 71357, 75349, 142714, 150698, 828839, 979537, 1657678, 1959074, 10774907, 21549814]

約数ペア:

[(1, 21549814), (2, 10774907), (11, 1959074), (13, 1657678), (22, 979537), (26, 828839), (143, 150698), (151, 142714), (286, 75349), (302, 71357), (499, 43186), (998, 21593), (1661, 12974), (1963, 10978), (3322, 6487), (3926, 5489)]