21338736

素因数分解:

$2^4\times 3^1\times {\mathrm{444557}}^1$

素因数の和:444568

約数の個数: 20

約数和(自身を含む): 55125192

約数和(自身を除く): 33786456

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 444557, 889114, 1333671, 1778228, 2667342, 3556456, 5334684, 7112912, 10669368, 21338736]

約数ペア:

[(1, 21338736), (2, 10669368), (3, 7112912), (4, 5334684), (6, 3556456), (8, 2667342), (12, 1778228), (16, 1333671), (24, 889114), (48, 444557)]