21891528

素因数分解:

$2^3\times 3^2\times {\mathrm{304049}}^1$

素因数の和:304061

約数の個数: 24

約数和(自身を含む): 59289750

約数和(自身を除く): 37398222

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 304049, 608098, 912147, 1216196, 1824294, 2432392, 2736441, 3648588, 5472882, 7297176, 10945764, 21891528]

約数ペア:

[(1, 21891528), (2, 10945764), (3, 7297176), (4, 5472882), (6, 3648588), (8, 2736441), (9, 2432392), (12, 1824294), (18, 1216196), (24, 912147), (36, 608098), (72, 304049)]