21927748

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{2647}}^1$

素因数の和:2779

約数の個数: 24

約数和(自身を含む): 40779200

約数和(自身を除く): 18851452

約数列:

[1, 2, 4, 19, 38, 76, 109, 218, 436, 2071, 2647, 4142, 5294, 8284, 10588, 50293, 100586, 201172, 288523, 577046, 1154092, 5481937, 10963874, 21927748]

約数ペア:

[(1, 21927748), (2, 10963874), (4, 5481937), (19, 1154092), (38, 577046), (76, 288523), (109, 201172), (218, 100586), (436, 50293), (2071, 10588), (2647, 8284), (4142, 5294)]