21305662

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{541}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 38243520

約数和(自身を除く): 16937858

約数列:

[1, 2, 7, 14, 29, 58, 97, 194, 203, 406, 541, 679, 1082, 1358, 2813, 3787, 5626, 7574, 15689, 19691, 31378, 39382, 52477, 104954, 109823, 219646, 367339, 734678, 1521833, 3043666, 10652831, 21305662]

約数ペア:

[(1, 21305662), (2, 10652831), (7, 3043666), (14, 1521833), (29, 734678), (58, 367339), (97, 219646), (194, 109823), (203, 104954), (406, 52477), (541, 39382), (679, 31378), (1082, 19691), (1358, 15689), (2813, 7574), (3787, 5626)]