2221351503

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5567297}}^1$

素因数の和:5567326

約数の個数: 16

約数和(自身を含む): 3563070720

約数和(自身を除く): 1341719217

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 5567297, 16701891, 38971079, 105778643, 116913237, 317335929, 740450501, 2221351503]

約数ペア:

[(1, 2221351503), (3, 740450501), (7, 317335929), (19, 116913237), (21, 105778643), (57, 38971079), (133, 16701891), (399, 5567297)]