21384558

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{91387}}^1$

素因数の和:91408

約数の個数: 24

約数和(自身を含む): 49897848

約数和(自身を除く): 28513290

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 91387, 182774, 274161, 548322, 822483, 1188031, 1644966, 2376062, 3564093, 7128186, 10692279, 21384558]

約数ペア:

[(1, 21384558), (2, 10692279), (3, 7128186), (6, 3564093), (9, 2376062), (13, 1644966), (18, 1188031), (26, 822483), (39, 548322), (78, 274161), (117, 182774), (234, 91387)]