21457554

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{53377}}^1$

素因数の和:53449

約数の個数: 16

約数和(自身を含む): 43556448

約数和(自身を除く): 22098894

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 53377, 106754, 160131, 320262, 3576259, 7152518, 10728777, 21457554]

約数ペア:

[(1, 21457554), (2, 10728777), (3, 7152518), (6, 3576259), (67, 320262), (134, 160131), (201, 106754), (402, 53377)]