21025324

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{7477}}^1$

素因数の和:7537

約数の個数: 24

約数和(自身を含む): 39782960

約数和(自身を除く): 18757636

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 2812, 7477, 14954, 29908, 142063, 276649, 284126, 553298, 568252, 1106596, 5256331, 10512662, 21025324]

約数ペア:

[(1, 21025324), (2, 10512662), (4, 5256331), (19, 1106596), (37, 568252), (38, 553298), (74, 284126), (76, 276649), (148, 142063), (703, 29908), (1406, 14954), (2812, 7477)]