21286206

素因数分解:

$2^1\times 3^3\times {\mathrm{47}}^1\times {\mathrm{8387}}^1$

素因数の和:8445

約数の個数: 32

約数和(自身を含む): 48314880

約数和(自身を除く): 27028674

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 94, 141, 282, 423, 846, 1269, 2538, 8387, 16774, 25161, 50322, 75483, 150966, 226449, 394189, 452898, 788378, 1182567, 2365134, 3547701, 7095402, 10643103, 21286206]

約数ペア:

[(1, 21286206), (2, 10643103), (3, 7095402), (6, 3547701), (9, 2365134), (18, 1182567), (27, 788378), (47, 452898), (54, 394189), (94, 226449), (141, 150966), (282, 75483), (423, 50322), (846, 25161), (1269, 16774), (2538, 8387)]