21906972

素因数分解:

$2^2\times 3^2\times {\mathrm{608527}}^1$

素因数の和:608537

約数の個数: 18

約数和(自身を含む): 55376048

約数和(自身を除く): 33469076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 608527, 1217054, 1825581, 2434108, 3651162, 5476743, 7302324, 10953486, 21906972]

約数ペア:

[(1, 21906972), (2, 10953486), (3, 7302324), (4, 5476743), (6, 3651162), (9, 2434108), (12, 1825581), (18, 1217054), (36, 608527)]