21906342

素因数分解:

$2^1\times 3^3\times {\mathrm{509}}^1\times {\mathrm{797}}^1$

素因数の和:1317

約数の個数: 32

約数和(自身を含む): 48837600

約数和(自身を除く): 26931258

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 509, 797, 1018, 1527, 1594, 2391, 3054, 4581, 4782, 7173, 9162, 13743, 14346, 21519, 27486, 43038, 405673, 811346, 1217019, 2434038, 3651057, 7302114, 10953171, 21906342]

約数ペア:

[(1, 21906342), (2, 10953171), (3, 7302114), (6, 3651057), (9, 2434038), (18, 1217019), (27, 811346), (54, 405673), (509, 43038), (797, 27486), (1018, 21519), (1527, 14346), (1594, 13743), (2391, 9162), (3054, 7173), (4581, 4782)]