21127572

素因数分解:

$2^2\times 3^2\times {\mathrm{509}}^1\times {\mathrm{1153}}^1$

素因数の和:1672

約数の個数: 36

約数和(自身を含む): 53557140

約数和(自身を除く): 32429568

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 509, 1018, 1153, 1527, 2036, 2306, 3054, 3459, 4581, 4612, 6108, 6918, 9162, 10377, 13836, 18324, 20754, 41508, 586877, 1173754, 1760631, 2347508, 3521262, 5281893, 7042524, 10563786, 21127572]

約数ペア:

[(1, 21127572), (2, 10563786), (3, 7042524), (4, 5281893), (6, 3521262), (9, 2347508), (12, 1760631), (18, 1173754), (36, 586877), (509, 41508), (1018, 20754), (1153, 18324), (1527, 13836), (2036, 10377), (2306, 9162), (3054, 6918), (3459, 6108), (4581, 4612)]