21724038

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{19157}}^1$

素因数の和:19178

約数の個数: 40

約数和(自身を含む): 55634832

約数和(自身を除く): 33910794

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 19157, 38314, 57471, 114942, 134099, 172413, 268198, 344826, 402297, 517239, 804594, 1034478, 1206891, 1551717, 2413782, 3103434, 3620673, 7241346, 10862019, 21724038]

約数ペア:

[(1, 21724038), (2, 10862019), (3, 7241346), (6, 3620673), (7, 3103434), (9, 2413782), (14, 1551717), (18, 1206891), (21, 1034478), (27, 804594), (42, 517239), (54, 402297), (63, 344826), (81, 268198), (126, 172413), (162, 134099), (189, 114942), (378, 57471), (567, 38314), (1134, 19157)]